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The Cornell Lab of Ornithology
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Archive of Tag: eggs
Fancy Males & Choosy Females
What is Unique to Birds?
Blyth's Paradise-Flycatchers Alternate Nest Responsibilities
A Bluethroat Feeds and Broods Chicks on Its Nest
A Female Rock Ptarmigan Sits on Her Nest
A Red-necked Grebe Sits on Its Nest
King Penguins Incubating Eggs on Their Feet