Cuckoos sneak their eggs into other birds’ nests and copy egg colors to avoid detection. This study explains how they adjust to many hosts.

While most birds carefully nurture and protect their young, some species have evolved a more unconventional approach. Known as "brood parasites," these birds lay their eggs in the nests of other ...

Egg binding is when a fertile female bird struggles to release an egg from her body naturally. This is an extremely uncomfortable, painful condition that can become fatal if not properly addressed.