Some tropical birds have longer egg incubation times than their temperate cousins, even though their habitat is teeming with egg-eating predators. The reason why has long been a mystery, but a new ...

The eyes of eagle lovers will be focused on a Minnesota Department of Natural Resources (DNR) webpage for the next month or so, watching as a pair of raptors does all it can to help two eggs hatch.

Bird eggs can catch infections through their shells, and new tests in the wild suggest that this risk may be one of the pressures driving avian parents to start incubating eggs with a timing that ...

Reptile eggs are an interesting area of study, but what makes the distinction between snakes and lizards regarding their eggs ...

Technological and theoretical advances over the past two decades have allowed researchers to quantify eggshell color in ways that were not previously possible. However, differences among studies in ...