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 ...

A bird once declared extinct in the wild has just laid eggs in Hawaii. The sihek, also known as the Guam kingfisher, has a striking burnt orange breast, electric blue wings, and a sharp beak. Native ...

Birds that lay eggs in other nest: In the vast and complex world of nature, the game of survival is always the real strategy. For a few birds, this means not having to raise their own chicks, which is ...

The Sihek is among the most endangered bird species in the world. For the first time in almost 40 years, recently released Siheks have laid eggs in the wild. Conservationists hope to release more ...

The number of eggs a bird lays — its clutch size — varies greatly among species. You might think every species should simply lay lots of eggs because that would increase the odds of more young birds ...

Q. I saw a photo of different kinds of bird eggs and noted not only the obvious, that smaller birds lay smaller eggs, but also that some bird eggs are elongate, whereas others are more rounded. What ...

Desert birds lay larger eggs when they have more helpers to feed their chicks, new research shows. White-browed sparrow weavers live in family groups in which only a dominant pair breeds and their ...

Pablo Capilla-Lasheras has received funding from the Biotechnology and Biological Sciences Research Council (UK) and currently works at the University of Glasgow. Tswalu Kalahari Reserve is a ...