Baby birds come in two styles: precocial or altricial. Precocial chicks, such as ducks, geese, sandpipers and turkeys, hatch from large, well-endowed eggs after long incubations. They can see, run, ...

Birds are a surviving branch of the dinosaurs, so we know that they already had reptilian eggs when they started the evolutionary journey that has led to the 10,000 species of small, feathered ...

Every bird you’ve ever seen— every robin, every pigeon, every penguin at the zoo— is a living dinosaur. Birds are the only group of dinosaurs that survived the asteroid-induced mass extinction 66 ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...