Great Black-backed Gull . The plumage of juvenile and immature great black-backed gulls initially has a complex pattern of ...

With its bright golden mantle and jet-black body, it would be hard to mistake the yellow-headed blackbird for any other species.

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

Learn what a yellow-headed blackbird looks like and where to find this bird. Also discover facts about their sounds, nests, ...

Discover the world's most amazing flightless birds—like ostriches, penguins, and emus. Learn why they can't fly and how ...

Across time and geography, the eagle has remained a constant in the world of national symbols. From ancient empires to ...

It’s hard not to be dazzled by the bright yellow butterflies fluttering around the Inland Northwest these days. Not only are they striking in color, but they’re among the biggest butterfly species in ...

In late June and early July, groups of yellow-crowned night herons will begin to leave their New Orleans nests. First they ...

Tennessee is home to over a thousand insects, but a few are quite sizable. Discover the biggest insects that live in the ...

In Vermont, researchers have investigated the types of creepy, crawly bugs that their avian predators consume and may have ...