Keyword: Plumage
Photo
BIR001-00007
A rock ptarmigan (Lagopus muta millaisi) at Lundi Farm in Verl, Germany. Shown is a male as it transitions from being an all-white bird in the winter to an all brown bird in the warm months.
Photo
BIR001-00006
A rock ptarmigan (Lagopus muta millaisi) at Lundi Farm in Verl, Germany. Shown is a male as it transitions from being an all-white bird in the winter to an all brown bird in the warm months.
Photo
BIR001-00009
A rock ptarmigan (Lagopus muta millaisi) at Lundi Farm in Verl, Germany. Shown is a male as it transitions from being an all-white bird in the winter to an all brown bird in the warm months.
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BIR007-00058
A male peacock displays his beautiful feathers and plumage.
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BIR032-00188
A snow goose (Chen caerulescens) in blue phase.
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BIR067-00187
Red-necked grebe (Podiceps grisegena grisegena) at Monticello Center in Italy.
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BIR068-00073
A female palm cockatoo (Probosciger aterrimus goliath) at Loro Parque Fundacion.
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BIR068-00072
A female palm cockatoo (Probosciger aterrimus goliath) at Loro Parque Fundacion.
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BIR068-00071
A female palm cockatoo (Probosciger aterrimus goliath) at Loro Parque Fundacion.
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BIR068-00070
A female palm cockatoo (Probosciger aterrimus goliath) at Loro Parque Fundacion.
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BIR068-00069
A female palm cockatoo (Probosciger aterrimus goliath) at Loro Parque Fundacion.
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BIR060-00406
A vulnerable male long tailed duck or oldsquaw (Clangula hyemalis) in summer plumage at Patuxent Wildlife Research Center
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BIR022-00096
Male greater sage grouse (Centrocercus urophasianus) at a display ground near Craig, CO.
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BIR022-00099
Male greater sage grouse (Centrocercus urophasianus) at a display ground near Craig, CO.
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BIR022-00089
Male and female greater sage grouse (Centrocercus urophasianus) at a display ground near Craig, CO.
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BIR022-00088
Male greater sage grouse (Centrocercus urophasianus) at a display ground near Craig, CO.
Photo
BIR032-00226
A snow goose (Chen caerulescens) in blue phase.
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BIR032-00227
A snow goose (Chen caerulescens) in blue phase.
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BIR032-00224
A snow goose (Chen caerulescens) in blue phase.
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BIR032-00225
A snow goose (Chen caerulescens) in blue phase.
Photo
BIR032-00187
A snow goose (Chen caerulescens) in blue phase.
Photo
BIR032-00189
A snow goose (Chen caerulescens) in blue phase.
Photo
BIR032-00190
A snow goose (Chen caerulescens) in blue phase.
Photo
BIR032-00191
A snow goose (Chen caerulescens) in blue phase.
Photo
BIR032-00192
A snow goose (Chen caerulescens) in blue phase.
Photo
BIR032-00193
A snow goose (Chen caerulescens) in blue phase.
Photo
BIR032-00194
A snow goose (Chen caerulescens) in blue phase.
Photo
BIR032-00195
A snow goose (Chen caerulescens) in blue phase.
Photo
BIR033-00464
A pair of crested auklets (Aethia cristatella) in their breeding plumage.
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BIR033-00003
Hoatzin (Opisthocomus hoazin) show off their distinctive plumage in the rainforests of Bolivia’s Madidi National Park.
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BIR023-00016
Lesser prairie-chickens (candidate for federal Endangered Species listing) booming in Oklahoma.
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BIR023-00009
Lesser prairie-chickens (candidate for federal Endangered Species listing) booming in Oklahoma.
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BIR023-00008
Lesser prairie-chickens (candidate for federal Endangered Species listing) booming in Oklahoma.
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BIR023-00007
Lesser prairie-chickens (candidate for federal Endangered Species listing) booming in Oklahoma.
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BIR023-00001
Lesser prairie-chickens (candidate for federal Endangered Species listing) booming in Oklahoma.
Photo
BIR007-00007
A captive peacock displays its ornate plumage.
