Even today, not all birds build nests. Male emperor penguins keep the egg of their partner in a pouch for just over two months. Australian mallee fowl build huge mounds in which to warm their eggs.
Eastern bluebirds found in the north and west reaches of their range tend to lay more eggs. Bluebirds form close knit families. Young birds from the first brood often help out with other broods by ...
Researchers assessed artificial nests made from four different materials to see which would help boost the population of endangered African penguins the most.
The Argentine University of Comahue Friday announced the discovery on its campus of dinosaur-era egg nests. The 73 specimens found are birds 85 million years old from the Cretaceous period.