White eggs in the wild mostly belong to the birds that nest in deep holes in trees or terrain. These birds are called cavity ...

Fish and amphibian eggs are soft and unshelled and must float in the water in order to get enough oxygen and expel their ...

"It's hard not to feel like a proud parent seeing them out there thriving and making history," London Zoo bird keeper Charlotte James said Jonny Shepherd/TNC-ZSL; TNC-ZSL The once-extinct Sihek bird ...

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 ...

New research shows that birds investing more energy in reproduction age faster and live shorter lives than those investing less.

Finding a bird’s nest in your yard is exciting, but getting too close can trigger serious legal trouble. Many protected ...

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 ...