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

Foreword / by John Bates -- Introduction -- Egg anatomy & physiology -- Egg size & shape -- Egg coloration & patterning -- Nests & eggs -- Breeding strategies : clutch size -- Breeding strategies : ...

Measuring and administering the leptin hormone could help producers identify variations in breeding efficiency between ...

LEXINGTON, Ky. (WKYT) - Today’s Good Question is: Why is bird flu raising the price of eggs but not chicken? The simplest answer is that the chickens we eat don’t live as long. The birds that are ...

A once-extinct bird is laying eggs in the wild for the first time in nearly 40 years. Sihek, a now-endangered bird returned to the wild in 2024, has laid wild eggs in its new home in Hawaii, according ...

Dozens of bird eggs and chicks were rescued from nests in a single wind-damaged eucalyptus tree that was dangerously close to collapsing in a California park. Now staff at the International Bird ...