Despite their incredible diversity in shape, color, and size, most people find it easy to distinguish birds from other vertebrate classes like mammals and reptiles. The tiny, jewel-like Hummingbird is ...
Birds are an incredibly diverse group of animals that have conquered almost every habitat on Earth. One thing every avian has in common is their origin in the egg. Although the shell’s size, shape, ...
Browse our growing list of species guides to learn all about birds.