From 9-foot tall ostriches to albatrosses with gargantuan wingspans, here are some of the biggest birds in the world.

Invasive species cost the North American economy $26 billion a year. By outcompeting local plants or animals, invaders reduce ...

Thousands of birds flying south for the winter stop off in Nigeria’s Hadejia Wetlands National Park. Researchers mapped the park, uncovering hundreds of species.

Have you ever wondered how city life affects animals like frogs? A new study reveals that urban Túngara frog tadpoles develop ...

To know what a tropical bird is, you first have to know where the tropics are. The tropics form a band around the equator ...

The Trump administration announced a plan on June 17 to open nearly 82% of the National Petroleum Reserve-Alaska to oil and ...

Caribou, migrating birds and many other types of wildlife rely on this expanse of wetlands and tundra. Humanity and the ...

Watch signs of spring take flight as wildlife biologists guide you to Michigan’s premier bird watching locations ... observe a variety of species, including diving and dabbling ducks in full breeding ...

Falcons are a class of birds best known for their speed, vision and hunting prowess. Here’s the story of perhaps the most ...

Owen Deutsch’s and Michael Parr’s book “Birds of the Tropical Andes” is set to be released on July 8. This 264-page hardbound ...