Owl pellets aren't poop, and they're not vomit either. Here's how to tell a pellet from a dropping, what's actually inside ...

Shadowing a single satellite-tagged bird from Alaska to Patagonia, the duo aims to raise awareness about the imperiled species while mapping crucial stopover sites along the way.

Related to the Painted Redstart but not quite as showy, the Slate-throated Redstart is very widespread in the American ...

Very similar to the famous Atlantic Puffin, but with different bill colors and a longer fleshy 'horn' above each eye. The Horned Puffin is found mainly on islands around the coastline of Alaska, where ...

A big nightbird, haunting woods of the far north and certain high mountains of the west. Its great size is partly illusion: it has very thick fluffy plumage, and its body size is smaller than it would ...

There's a lot to look forward to in spring for birders. The flowers are blooming, old friends are returning, and birdsong is at its peak. The sheer volume of songs and calls can often feel ...

Cowboys sometimes called these owls 'howdy birds,' because they seemed to nod in greeting from the entrances to their burrows in prairie-dog towns. Colorful fiction once held that owls, prairie-dogs, ...

This small crow has a very limited range in the dry country of northeastern Mexico. In the United States the Tamaulipas Crow has occurred mostly as a winter visitor to southernmost Texas, mainly ...

The Sharp-tailed Grouse is typical of regions that have open grassland mixed with groves of trees or shrubs. Closely related to the Greater Prairie-Chicken and Lesser Prairie-Chicken, it is found ...

Flashing its trademark yellow rump patch as it flies away, calling check for confirmation, this is one of our best-known warblers. While most of its relatives migrate to the tropics in fall, the ...

A big, broad-shouldered, predatory seabird of the North Atlantic. Usually solitary at sea, although concentrations may occur where food is abundant. Breeds mainly in Iceland and on islands north of ...

This robin-sized nightbird is common over much of the east, including in city parks and shady suburbs, where many human residents are unaware they have an owl for a neighbor. The owl spends the day ...