ruff (Philomachus pugnax), male in breeding coloration walking on grassland, side view, Netherlands, Frisia Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-ruff-philomachus-pugnax-male-in-breeding-coloration-walking-on-grassland-120474130.html
RMH001YE–ruff (Philomachus pugnax), male in breeding coloration walking on grassland, side view, Netherlands, Frisia
Moor Frog (Rana arvalis) males, in breeding coloration, Germany, April Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/moor-frog-rana-arvalis-males-in-breeding-coloration-germany-april-image262927510.html
RMW7NAM6–Moor Frog (Rana arvalis) males, in breeding coloration, Germany, April
An adult male green iguana, Iguana iguana, in breeding coloration, Tortuguero National Park, Costa Rica, Central America Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/an-adult-male-green-iguana-iguana-iguana-in-breeding-coloration-tortuguero-national-park-costa-rica-central-america-image242562193.html
RMT2HJFD–An adult male green iguana, Iguana iguana, in breeding coloration, Tortuguero National Park, Costa Rica, Central America
Male sand lizard (Lacerta agilis) exhibiting bright green breeding colour feeding on bugs on a bracken stem during May in Surrey heathland, UK Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/male-sand-lizard-lacerta-agilis-exhibiting-bright-green-breeding-colour-feeding-on-bugs-on-a-bracken-stem-during-may-in-surrey-heathland-uk-image357697829.html
RM2BNXF6D–Male sand lizard (Lacerta agilis) exhibiting bright green breeding colour feeding on bugs on a bracken stem during May in Surrey heathland, UK
Female Speckled Earless Lizard, (Holbrookia maculata approximans), in breeding coloration. Petroglyph National Monument, NM. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-female-speckled-earless-lizard-holbrookia-maculata-approximans-in-73678139.html
RME7T963–Female Speckled Earless Lizard, (Holbrookia maculata approximans), in breeding coloration. Petroglyph National Monument, NM.
Great Egret in breeding coloration in flight Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/great-egret-in-breeding-coloration-in-flight-image69015925.html
RFE07XED–Great Egret in breeding coloration in flight
Male Common Agama lizard (Agama agama) displaying breeding coloration Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-male-common-agama-lizard-agama-agama-displaying-breeding-coloration-54162964.html
RMD439BG–Male Common Agama lizard (Agama agama) displaying breeding coloration
Cattle egret (Bubulcus ibis) with red orange breeding coloration, perched in green foliage - Davie, Florida, USA Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/cattle-egret-bubulcus-ibis-with-red-orange-breeding-coloration-perched-in-green-foliage-davie-florida-usa-image368362202.html
RF2CB89MX–Cattle egret (Bubulcus ibis) with red orange breeding coloration, perched in green foliage - Davie, Florida, USA
Laughing gulls (Larus atricilla) in breeding coloration, one molting, hover against a solid blue sky, their wings spread wide Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/laughing-gulls-larus-atricilla-in-breeding-coloration-one-molting-hover-against-a-solid-blue-sky-their-wings-spread-wide-image597873950.html
RF2WMKE92–Laughing gulls (Larus atricilla) in breeding coloration, one molting, hover against a solid blue sky, their wings spread wide
Cattle egret in breeding coloration in tree where they have gathered and are making nests in just two or three trees together near the road outside of Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/cattle-egret-in-breeding-coloration-in-tree-where-they-have-gathered-and-are-making-nests-in-just-two-or-three-trees-together-near-the-road-outside-of-image336340945.html
RF2AF5J8H–Cattle egret in breeding coloration in tree where they have gathered and are making nests in just two or three trees together near the road outside of
Snowy Egret - Egretta thula - in breeding plumage and coloration against dark background in Saint Augustine, Florida. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/snowy-egret-egretta-thula-in-breeding-plumage-and-coloration-against-dark-background-in-saint-augustine-florida-image333649435.html
RF2AAR177–Snowy Egret - Egretta thula - in breeding plumage and coloration against dark background in Saint Augustine, Florida.
Pacific sargent major, Abudefduf troschelii, male in breeding coloration, guarding eggs Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/pacific-sargent-major-abudefduf-troschelii-male-in-breeding-coloration-guarding-eggs-image635458781.html
RM2YWRJ4D–Pacific sargent major, Abudefduf troschelii, male in breeding coloration, guarding eggs
California Gull in breeding coloration (Larus californicus) on a rock at Eagle Lake in Lassen County California in the early morning. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/california-gull-in-breeding-coloration-larus-californicus-on-a-rock-at-eagle-lake-in-lassen-county-california-in-the-early-morning-image614466166.html
RF2XKK9T6–California Gull in breeding coloration (Larus californicus) on a rock at Eagle Lake in Lassen County California in the early morning.
Great egret in full breeding plumage Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-great-egret-in-full-breeding-plumage-103788513.html
RFG0RY8H–Great egret in full breeding plumage
A closeup portrait of an American Avocet in breeding plumage shown in detail while wading, with an excellent view of a long upturned bill. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-image-a-closeup-portrait-of-an-american-avocet-in-breeding-plumage-shown-163501289.html
RFKE03FN–A closeup portrait of an American Avocet in breeding plumage shown in detail while wading, with an excellent view of a long upturned bill.
Bloody king penguin (Aptenodytes patagonicus) at breeding and nesting colony at St. Andrews Bay on South Georgia, Southern Ocean, Polar Regions Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/bloody-king-penguin-aptenodytes-patagonicus-at-breeding-and-nesting-colony-at-st-andrews-bay-on-south-georgia-southern-ocean-polar-regions-image628114031.html
RF2YDW1RY–Bloody king penguin (Aptenodytes patagonicus) at breeding and nesting colony at St. Andrews Bay on South Georgia, Southern Ocean, Polar Regions
Common Loon (Gavia immer) in breeding adult coloration swimming on the water. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/common-loon-gavia-immer-in-breeding-adult-coloration-swimming-on-the-water-image214294010.html
RFPCHX5E–Common Loon (Gavia immer) in breeding adult coloration swimming on the water.
Moor Frog (Rana arvalis) blue coloured male floating in pond during the breeding season in spring Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/moor-frog-rana-arvalis-blue-coloured-male-floating-in-pond-during-image61740241.html
RMDGCE8H–Moor Frog (Rana arvalis) blue coloured male floating in pond during the breeding season in spring
Back view of a common green forest lizard looking at prey while sitting between tree twigs Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/back-view-of-a-common-green-forest-lizard-looking-at-prey-while-sitting-between-tree-twigs-image465798305.html
RF2J1PXDN–Back view of a common green forest lizard looking at prey while sitting between tree twigs
ruff (Philomachus pugnax), male, breeding coloration, Sweden Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/ruff-philomachus-pugnax-male-breeding-coloration-sweden-image552016663.html
RM2R22ETR–ruff (Philomachus pugnax), male, breeding coloration, Sweden
Asian common toad (Duttaphrynus melanostictus), male in breeding coloration, captive, occurs Asia Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/asian-common-toad-duttaphrynus-melanostictus-male-in-breeding-coloration-captive-occurs-asia-image262927799.html
RMW7NB2F–Asian common toad (Duttaphrynus melanostictus), male in breeding coloration, captive, occurs Asia
Wild form of budgerigar, Melopsittacus undulatus, with green coloration in Australia Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/wild-form-of-budgerigar-melopsittacus-undulatus-with-green-coloration-in-australia-image552974919.html
RF2R3J547–Wild form of budgerigar, Melopsittacus undulatus, with green coloration in Australia
Common blue butterfly (Polyommatus icarus) on sandy wastelands among the taiga forests of the eastern Baltic. Male breeding coloration Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/common-blue-butterfly-polyommatus-icarus-on-sandy-wastelands-among-the-taiga-forests-of-the-eastern-baltic-male-breeding-coloration-image574365708.html
RF2TACH90–Common blue butterfly (Polyommatus icarus) on sandy wastelands among the taiga forests of the eastern Baltic. Male breeding coloration
Female Speckled Earless Lizard, (Holbrookia maculata approximans), in breeding coloration. Bernalillio county, New Mexico, USA. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-female-speckled-earless-lizard-holbrookia-maculata-approximans-in-43516813.html
RMCEPA3W–Female Speckled Earless Lizard, (Holbrookia maculata approximans), in breeding coloration. Bernalillio county, New Mexico, USA.
Rosy, Caribbean or American Flamingos (Phoencopterus ruber ruber). Social breeding behaviour encouraged by provision of a mirror, seen in background. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-rosy-caribbean-or-american-flamingos-phoencopterus-ruber-ruber-social-41321964.html
RMCB6AGC–Rosy, Caribbean or American Flamingos (Phoencopterus ruber ruber). Social breeding behaviour encouraged by provision of a mirror, seen in background.
A male Common Agama Lizard (Agama agama) in breeding coloration, sunning itself on a rock in the Masai Mara reserve, Kenya Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-a-male-common-agama-lizard-agama-agama-in-breeding-coloration-sunning-54162966.html
RMD439BJ–A male Common Agama Lizard (Agama agama) in breeding coloration, sunning itself on a rock in the Masai Mara reserve, Kenya
Landing shows off the resplendent coloration of a Roseate Spoonbill, Rookery, Smith Oaks Bird Sanctuary, High Island, Texas. Note the pink orange tail Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/landing-shows-off-the-resplendent-coloration-of-a-roseate-spoonbill-rookery-smith-oaks-bird-sanctuary-high-island-texas-note-the-pink-orange-tail-image256601529.html
RMTWD5T9–Landing shows off the resplendent coloration of a Roseate Spoonbill, Rookery, Smith Oaks Bird Sanctuary, High Island, Texas. Note the pink orange tail
Portrait of a Cattle Egret, Bubulcus ibis, standing in a tree. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-portrait-of-a-cattle-egret-bubulcus-ibis-standing-in-a-tree-121531417.html
RFH1M6FN–Portrait of a Cattle Egret, Bubulcus ibis, standing in a tree.
Cattle egret in breeding coloration in tree where they have gathered and are making nests in just two or three trees together near the road outside of Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/cattle-egret-in-breeding-coloration-in-tree-where-they-have-gathered-and-are-making-nests-in-just-two-or-three-trees-together-near-the-road-outside-of-image336340943.html
RF2AF5J8F–Cattle egret in breeding coloration in tree where they have gathered and are making nests in just two or three trees together near the road outside of
Snowy Egret - Egretta thula - in breeding plumage and coloration against dark background in Saint Augustine, Florida. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/snowy-egret-egretta-thula-in-breeding-plumage-and-coloration-against-dark-background-in-saint-augustine-florida-image333649542.html
RF2AAR1B2–Snowy Egret - Egretta thula - in breeding plumage and coloration against dark background in Saint Augustine, Florida.
Harlequin Duck, Histrionicus histrionicus, male and female pair during breeding season in Dosewallips River, Olympic National Forest, Washington State Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/harlequin-duck-histrionicus-histrionicus-male-and-female-pair-during-breeding-season-in-dosewallips-river-olympic-national-forest-washington-state-image575673467.html
RF2TCG5AK–Harlequin Duck, Histrionicus histrionicus, male and female pair during breeding season in Dosewallips River, Olympic National Forest, Washington State
Great Egret carrying nest material Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/great-egret-carrying-nest-material-image69534035.html
RFE13FAB–Great Egret carrying nest material
American Avocet (Recurvirostra americana) Colorful breeding plumage. Standing in water and looking for food. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/american-avocet-recurvirostra-americana-colorful-breeding-plumage-image69590019.html
RME162NR–American Avocet (Recurvirostra americana) Colorful breeding plumage. Standing in water and looking for food.
Blue Moor frog (Rana arvalis). Males can develop bright blue coloration for a few days during the breeding season in march or april. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/blue-moor-frog-rana-arvalis-males-can-develop-bright-blue-coloration-for-a-few-days-during-the-breeding-season-in-march-or-april-image223660368.html
RFPYTH28–Blue Moor frog (Rana arvalis). Males can develop bright blue coloration for a few days during the breeding season in march or april.
Red Milkweed Beetles (Tetraopes tetrophthalmus) Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/red-milkweed-beetles-tetraopes-tetrophthalmus-image212429000.html
Common Loon (Gavia immer) in breeding adult coloration swimming on the water. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/common-loon-gavia-immer-in-breeding-adult-coloration-swimming-on-the-water-image214294214.html
RFPCHXCP–Common Loon (Gavia immer) in breeding adult coloration swimming on the water.
Moor Frogs (Rana arvalis) blue coloured males floating in pond during the mating season in spring Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/moor-frogs-rana-arvalis-blue-coloured-males-floating-in-pond-during-image61741549.html
RMDGCFY9–Moor Frogs (Rana arvalis) blue coloured males floating in pond during the mating season in spring
Side view of a male Common green forest lizard (Calotes Calotes) in breeding colors Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/side-view-of-a-male-common-green-forest-lizard-calotes-calotes-in-breeding-colors-image476860819.html
RF2JKPTRF–Side view of a male Common green forest lizard (Calotes Calotes) in breeding colors
ruff (Philomachus pugnax), male, breeding coloration, Sweden Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/ruff-philomachus-pugnax-male-breeding-coloration-sweden-image552016265.html
RM2R22EAH–ruff (Philomachus pugnax), male, breeding coloration, Sweden
Asian Common toad (Duttaphrynus melanostictus), male in breeding coloration, captive, occurs South Asia Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/asian-common-toad-duttaphrynus-melanostictus-male-in-breeding-coloration-captive-occurs-south-asia-image262927640.html
RMW7NATT–Asian Common toad (Duttaphrynus melanostictus), male in breeding coloration, captive, occurs South Asia
Cichlid fish in a transparent aquarium with a beautiful design Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/cichlid-fish-in-a-transparent-aquarium-with-a-beautiful-design-image259749683.html
RFW2GHAB–Cichlid fish in a transparent aquarium with a beautiful design
Common blue butterfly (Polyommatus icarus) on sandy wastelands among the taiga forests of the eastern Baltic. Male breeding coloration Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/common-blue-butterfly-polyommatus-icarus-on-sandy-wastelands-among-the-taiga-forests-of-the-eastern-baltic-male-breeding-coloration-image575050454.html
RF2TBFPM6–Common blue butterfly (Polyommatus icarus) on sandy wastelands among the taiga forests of the eastern Baltic. Male breeding coloration
Female Speckled Earless Lizard, (Holbrookia maculata approximans), in breeding coloration, Bernalillio county, New Mexico, USA. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-female-speckled-earless-lizard-holbrookia-maculata-approximans-in-43137381.html
RMCE524N–Female Speckled Earless Lizard, (Holbrookia maculata approximans), in breeding coloration, Bernalillio county, New Mexico, USA.
A large male green iguana sports orange coloration at the beginning of breeding season in Florida. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-large-male-green-iguana-sports-orange-coloration-at-the-beginning-of-breeding-season-in-florida-image467671998.html
RF2J4T8BA–A large male green iguana sports orange coloration at the beginning of breeding season in Florida.
Marine Iguana (Amblyrhynchus cristatus venustissimus) male with the red coloration of breeding season on the beach, tourist boat in the distance Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-marine-iguana-amblyrhynchus-cristatus-venustissimus-male-with-the-58492643.html
RMDB4FXY–Marine Iguana (Amblyrhynchus cristatus venustissimus) male with the red coloration of breeding season on the beach, tourist boat in the distance
Rosy, Caribbean or American Flamingos (Phoencopterus ruber ruber). Social spatial behaviour. Breeding encouraged by provision of mirror . Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-rosy-caribbean-or-american-flamingos-phoencopterus-ruber-ruber-social-41321986.html
RMCB6AH6–Rosy, Caribbean or American Flamingos (Phoencopterus ruber ruber). Social spatial behaviour. Breeding encouraged by provision of mirror .
Immature, male Rose-breasted Grosbeak, Pheucticus ludovicianus, perched on a tree branch. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-immature-male-rose-breasted-grosbeak-pheucticus-ludovicianus-perched-130022782.html
RFHFF1AP–Immature, male Rose-breasted Grosbeak, Pheucticus ludovicianus, perched on a tree branch.
Cattle egret in breeding coloration in tree where they have gathered and are making nests in just two or three trees together near the road outside of Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/cattle-egret-in-breeding-coloration-in-tree-where-they-have-gathered-and-are-making-nests-in-just-two-or-three-trees-together-near-the-road-outside-of-image336340984.html
RF2AF5JA0–Cattle egret in breeding coloration in tree where they have gathered and are making nests in just two or three trees together near the road outside of
Snowy Egret - Egretta thula - in breeding plumage and coloration against dark background in Saint Augustine, Florida. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/snowy-egret-egretta-thula-in-breeding-plumage-and-coloration-against-dark-background-in-saint-augustine-florida-image333649442.html
RF2AAR17E–Snowy Egret - Egretta thula - in breeding plumage and coloration against dark background in Saint Augustine, Florida.
Harlequin Ducks, Histrionicus histrionicus, males in Dosewallips River, Olympic National Forest, Washington State, USA Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/harlequin-ducks-histrionicus-histrionicus-males-in-dosewallips-river-olympic-national-forest-washington-state-usa-image575673477.html
RF2TCG5B1–Harlequin Ducks, Histrionicus histrionicus, males in Dosewallips River, Olympic National Forest, Washington State, USA
Process of breeding moorfrog (Rana arvalis) Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-process-of-breeding-moorfrog-rana-arvalis-136299020.html
RFHWMXP4–Process of breeding moorfrog (Rana arvalis)
American Avocet (Recurvirostra americana) Colorful breeding plumage. Standing in water and looking for food. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/american-avocet-recurvirostra-americana-colorful-breeding-plumage-image69590048.html
RME162PT–American Avocet (Recurvirostra americana) Colorful breeding plumage. Standing in water and looking for food.
Blue Moor frog (Rana arvalis) looking up. Males can develop bright blue coloration for a few days during the breeding season in march or april. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/blue-moor-frog-rana-arvalis-looking-up-males-can-develop-bright-blue-coloration-for-a-few-days-during-the-breeding-season-in-march-or-april-image223660693.html
RFPYTHDW–Blue Moor frog (Rana arvalis) looking up. Males can develop bright blue coloration for a few days during the breeding season in march or april.
Common Loon (Gavia immer) in breeding adult coloration flying over water. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/common-loon-gavia-immer-in-breeding-adult-coloration-flying-over-water-image214258910.html
RFPCG9BX–Common Loon (Gavia immer) in breeding adult coloration flying over water.
Moor Frogs (Rana arvalis) blue coloured males floating in pond during the mating season in spring Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/moor-frogs-rana-arvalis-blue-coloured-males-floating-in-pond-during-image61741377.html
RMDGCFN5–Moor Frogs (Rana arvalis) blue coloured males floating in pond during the mating season in spring
Side view of a bright red headed male Common green forest lizard (Calotes Calotes) is sitting on top of a granite rock near few grasses and staring at Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/side-view-of-a-bright-red-headed-male-common-green-forest-lizard-calotes-calotes-is-sitting-on-top-of-a-granite-rock-near-few-grasses-and-staring-at-image476860908.html
RF2JKPTXM–Side view of a bright red headed male Common green forest lizard (Calotes Calotes) is sitting on top of a granite rock near few grasses and staring at
ruff (Philomachus pugnax), male, breeding coloration, Sweden Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/ruff-philomachus-pugnax-male-breeding-coloration-sweden-image552016638.html
RM2R22ERX–ruff (Philomachus pugnax), male, breeding coloration, Sweden
Asian common toad (Duttaphrynus melanostictus), male in breeding coloration rear view, captive, occurs Asia Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/asian-common-toad-duttaphrynus-melanostictus-male-in-breeding-coloration-rear-view-captive-occurs-asia-image262927798.html
RMW7NB2E–Asian common toad (Duttaphrynus melanostictus), male in breeding coloration rear view, captive, occurs Asia
Tiger Reticulated Python snake, Python reticulatus or Malayopython reticulatus, in North Carolina. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-tiger-reticulated-python-snake-python-reticulatus-or-malayopython-49639756.html
RFCTN80C–Tiger Reticulated Python snake, Python reticulatus or Malayopython reticulatus, in North Carolina.
Common blue butterfly (Polyommatus icarus) on sandy wastelands among the taiga forests of the eastern Baltic. Male breeding coloration Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/common-blue-butterfly-polyommatus-icarus-on-sandy-wastelands-among-the-taiga-forests-of-the-eastern-baltic-male-breeding-coloration-image565505307.html
RF2RT0YP3–Common blue butterfly (Polyommatus icarus) on sandy wastelands among the taiga forests of the eastern Baltic. Male breeding coloration
Female Bleached Earless Lizard in breeding coloration, White Sands National Monument, New Mexico, USA. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-female-bleached-earless-lizard-in-breeding-coloration-white-sands-134988162.html
RMHRH6NP–Female Bleached Earless Lizard in breeding coloration, White Sands National Monument, New Mexico, USA.
Salamandra salamandra,fire salamander in Grebaje, Montenegro Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/salamandra-salamandrafire-salamander-in-grebaje-montenegro-image616500607.html
RF2XR00PR–Salamandra salamandra,fire salamander in Grebaje, Montenegro
Marine Iguana (Amblyrhynchus cristatus venustissimus) male in the red coloration of breeding season and sea lion on the beach with Ecuadorian boat in Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-marine-iguana-amblyrhynchus-cristatus-venustissimus-male-in-the-red-58492636.html
RMDB4FXM–Marine Iguana (Amblyrhynchus cristatus venustissimus) male in the red coloration of breeding season and sea lion on the beach with Ecuadorian boat in
Rosy, Caribbean or American Flamingos (Phoencopterus ruber ruber). Social breeding behaviour encouraged by provision of mirrors, back ground.. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-rosy-caribbean-or-american-flamingos-phoencopterus-ruber-ruber-social-41322012.html
RMCB6AJ4–Rosy, Caribbean or American Flamingos (Phoencopterus ruber ruber). Social breeding behaviour encouraged by provision of mirrors, back ground..
An adult breeding male Western Meadowlark sings from a weed cluster at the San Luis NWR in California's San Joaquin Valley, Merced County. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/an-adult-breeding-male-western-meadowlark-sings-from-a-weed-cluster-at-the-san-luis-nwr-in-californias-san-joaquin-valley-merced-county-image433998400.html
RF2G629AT–An adult breeding male Western Meadowlark sings from a weed cluster at the San Luis NWR in California's San Joaquin Valley, Merced County.
Cattle egret in breeding coloration in tree where they have gathered and are making nests in just two or three trees together near the road outside of Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/cattle-egret-in-breeding-coloration-in-tree-where-they-have-gathered-and-are-making-nests-in-just-two-or-three-trees-together-near-the-road-outside-of-image336341003.html
RF2AF5JAK–Cattle egret in breeding coloration in tree where they have gathered and are making nests in just two or three trees together near the road outside of
Snowy Egret - Egretta thula - in breeding plumage and coloration against dark background in Saint Augustine, Florida. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/snowy-egret-egretta-thula-in-breeding-plumage-and-coloration-against-dark-background-in-saint-augustine-florida-image333649444.html
RF2AAR17G–Snowy Egret - Egretta thula - in breeding plumage and coloration against dark background in Saint Augustine, Florida.
Harlequin Ducks, Histrionicus histrionicus, male and female pair in Dosewallips River, Olympic National Forest, Washington State, USA Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/harlequin-ducks-histrionicus-histrionicus-male-and-female-pair-in-dosewallips-river-olympic-national-forest-washington-state-usa-image575673474.html
RF2TCG5AX–Harlequin Ducks, Histrionicus histrionicus, male and female pair in Dosewallips River, Olympic National Forest, Washington State, USA
Process of breeding moorfrog (Rana arvalis) Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-process-of-breeding-moorfrog-rana-arvalis-136299011.html
RFHWMXNR–Process of breeding moorfrog (Rana arvalis)
American Avocet (Recurvirostra americana) Colorful breeding plumage. Standing in water and looking for food. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/american-avocet-recurvirostra-americana-colorful-breeding-plumage-image69590129.html
RME162WN–American Avocet (Recurvirostra americana) Colorful breeding plumage. Standing in water and looking for food.
Blue Moor frog (Rana arvalis) looking in camera on bright background. Males can develop bright blue coloration for a few days during the breeding seas Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-blue-moor-frog-rana-arvalis-looking-in-camera-on-bright-background-176039070.html
RFM6B7HJ–Blue Moor frog (Rana arvalis) looking in camera on bright background. Males can develop bright blue coloration for a few days during the breeding seas
Common Loon (Gavia immer) in breeding adult coloration swimming on the water. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/common-loon-gavia-immer-in-breeding-adult-coloration-swimming-on-the-water-image214294031.html
RFPCHX67–Common Loon (Gavia immer) in breeding adult coloration swimming on the water.
Moor Frog (Rana arvalis) blue coloured male floating in pond during the mating season in spring Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/moor-frog-rana-arvalis-blue-coloured-male-floating-in-pond-during-image61740676.html
RMDGCET4–Moor Frog (Rana arvalis) blue coloured male floating in pond during the mating season in spring
A common green forest lizard looking at a prey on top of a tree twig Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-common-green-forest-lizard-looking-at-a-prey-on-top-of-a-tree-twig-image465798346.html
RF2J1PXF6–A common green forest lizard looking at a prey on top of a tree twig
ruff (Philomachus pugnax), male, breeding coloration, Sweden Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/ruff-philomachus-pugnax-male-breeding-coloration-sweden-image552016591.html
RM2R22EP7–ruff (Philomachus pugnax), male, breeding coloration, Sweden
Noida, Uttar Pradesh, India- May 15, 2014: The Mating of Oriental Garden Lizard, male holding female in breeding season at Noida, Uttar Pradesh India. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-noida-uttar-pradesh-india-may-15-2014-the-mating-of-oriental-garden-121976514.html
RMH2CE82–Noida, Uttar Pradesh, India- May 15, 2014: The Mating of Oriental Garden Lizard, male holding female in breeding season at Noida, Uttar Pradesh India.
Great Egret Perched in a Tree Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/great-egret-perched-in-a-tree-image268947854.html
RFWHFHME–Great Egret Perched in a Tree
Such welcome to fishermen bold autumn bulltrout. Male in breeding coloration, Iceland moss fine background Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-image-such-welcome-to-fishermen-bold-autumn-bulltrout-male-in-breeding-coloration-166911980.html
RFKKFDX4–Such welcome to fishermen bold autumn bulltrout. Male in breeding coloration, Iceland moss fine background
Female Speckled Earless Lizard, (Holbrookia maculata approximans), in breeding coloration. Bernalillio co., New Mexico, USA. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-female-speckled-earless-lizard-holbrookia-maculata-approximans-in-48703850.html
RMCR6J76–Female Speckled Earless Lizard, (Holbrookia maculata approximans), in breeding coloration. Bernalillio co., New Mexico, USA.
The Southern festoon (Zerynthia polyxena), a fresh and colored male. Aosta valley, Italian Alps. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-southern-festoon-zerynthia-polyxena-a-fresh-and-colored-male-aosta-valley-italian-alps-image449871611.html
RF2H3WBR7–The Southern festoon (Zerynthia polyxena), a fresh and colored male. Aosta valley, Italian Alps.
Marine Iguanas males in the red coloration of their breeding season on the shore of a Pacific beach in the Galapagos islands. Amblyrhynchus cristatus Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-marine-iguanas-males-in-the-red-coloration-of-their-breeding-season-58492650.html
RMDB4FY6–Marine Iguanas males in the red coloration of their breeding season on the shore of a Pacific beach in the Galapagos islands. Amblyrhynchus cristatus
Rosy, Caribbean or American Flamingos (Phoencopterus ruber ruber). Social breeding behaviour encouraged by provision of mirror, in back ground. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-rosy-caribbean-or-american-flamingos-phoencopterus-ruber-ruber-social-41321918.html
RMCB6AEP–Rosy, Caribbean or American Flamingos (Phoencopterus ruber ruber). Social breeding behaviour encouraged by provision of mirror, in back ground.
Green iguana (Iguana iguana) male with mating season orange colouring. (Females generally remain green.) Both males and females develop dewlaps but ma Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/green-iguana-iguana-iguana-male-with-mating-season-orange-colouring-females-generally-remain-green-both-males-and-females-develop-dewlaps-but-ma-image462233293.html
RM2HT0F7W–Green iguana (Iguana iguana) male with mating season orange colouring. (Females generally remain green.) Both males and females develop dewlaps but ma
Snowy Egret - Egretta thula - in breeding plumage and coloration against dark background in Saint Augustine, Florida. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/snowy-egret-egretta-thula-in-breeding-plumage-and-coloration-against-dark-background-in-saint-augustine-florida-image333649537.html
RF2AAR1AW–Snowy Egret - Egretta thula - in breeding plumage and coloration against dark background in Saint Augustine, Florida.
Roseate Spoonbill, Platalea ajaja, in flight from nest in mangroves to feed in Florida Bay, Everglades National Park, Florida, USA Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/roseate-spoonbill-platalea-ajaja-in-flight-from-nest-in-mangroves-to-feed-in-florida-bay-everglades-national-park-florida-usa-image184647351.html
RFMMBBG7–Roseate Spoonbill, Platalea ajaja, in flight from nest in mangroves to feed in Florida Bay, Everglades National Park, Florida, USA
Process of breeding moorfrog (Rana arvalis) Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-process-of-breeding-moorfrog-rana-arvalis-136299015.html
RFHWMXNY–Process of breeding moorfrog (Rana arvalis)
American Avocet (Recurvirostra americana) Colorful breeding plumage. Standing in water and looking for food. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/american-avocet-recurvirostra-americana-colorful-breeding-plumage-image69590264.html
RME1632G–American Avocet (Recurvirostra americana) Colorful breeding plumage. Standing in water and looking for food.
Blue Moor frog (Rana arvalis) side view on bright green background. Males can develop bright blue coloration for a few days during the breeding season Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-blue-moor-frog-rana-arvalis-side-view-on-bright-green-background-males-176039069.html
RFM6B7HH–Blue Moor frog (Rana arvalis) side view on bright green background. Males can develop bright blue coloration for a few days during the breeding season
Back view of a Common Loon (Gavia immer) in breeding adult coloration on the surface of a lake with wings spread. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/back-view-of-a-common-loon-gavia-immer-in-breeding-adult-coloration-on-the-surface-of-a-lake-with-wings-spread-image214294095.html
RFPCHX8F–Back view of a Common Loon (Gavia immer) in breeding adult coloration on the surface of a lake with wings spread.
Moor Frog (Rana arvalis) blue coloured male floating in pond during the breeding season in spring Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/moor-frog-rana-arvalis-blue-coloured-male-floating-in-pond-during-image61740878.html
RMDGCF3A–Moor Frog (Rana arvalis) blue coloured male floating in pond during the breeding season in spring
High angle view of a male Common green forest lizard (Calotes Calotes) is sitting on top of a granite rock with a bright red head and throat Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/high-angle-view-of-a-male-common-green-forest-lizard-calotes-calotes-is-sitting-on-top-of-a-granite-rock-with-a-bright-red-head-and-throat-image476860875.html
RF2JKPTWF–High angle view of a male Common green forest lizard (Calotes Calotes) is sitting on top of a granite rock with a bright red head and throat
ruff (Philomachus pugnax), male, breeding coloration, Sweden Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/ruff-philomachus-pugnax-male-breeding-coloration-sweden-image552016247.html
RM2R22E9Y–ruff (Philomachus pugnax), male, breeding coloration, Sweden
Noida, Uttar Pradesh, India- May 19, 2014: An Oriental garden lizard in breeding season on a tree with dark background, at Noida, Uttar Pradesh, India Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-noida-uttar-pradesh-india-may-19-2014-an-oriental-garden-lizard-in-121976745.html
RMH2CEG9–Noida, Uttar Pradesh, India- May 19, 2014: An Oriental garden lizard in breeding season on a tree with dark background, at Noida, Uttar Pradesh, India
A portrait of a great egret Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-portrait-of-a-great-egret-image492157955.html
RF2KGKMDR–A portrait of a great egret
Luxury fishing trophy from autumn lake. Male salmon (brown trout) in breeding coloration at the time of luring trolling Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-luxury-fishing-trophy-from-autumn-lake-male-salmon-brown-trout-in-175121651.html
RFM4WDCK–Luxury fishing trophy from autumn lake. Male salmon (brown trout) in breeding coloration at the time of luring trolling
Sand Dune lizard, (Sceloporus arenicolus), female in breeding coloration. Mescalero Sands, Chaves co., New Mexico, USA> Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/sand-dune-lizard-sceloporus-arenicolus-female-in-breeding-coloration-mescalero-sands-chaves-co-new-mexico-usa-image209271760.html
RMP4D47C–Sand Dune lizard, (Sceloporus arenicolus), female in breeding coloration. Mescalero Sands, Chaves co., New Mexico, USA>
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