Are Birds Mammals? Here Is How They Are Classified

The Biggest Birds in the World by Height, Weight, and Wingspan

Ostriches dominate height and weight, while albatrosses, condors, bustards, and extinct giants win other measures of size.

Talking Birds That Can Mimic Human Speech

Parrots, mynas, ravens, and several other birds learn sounds through a flexible voice organ, close listening, and strong social motivation.

The Smartest Birds and What They Can Actually Do

Corvids and parrots lead many intelligence tests, but memory, tools, language, planning, and social skill produce different kinds of smart.