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 ...

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 ...

Several of the terns are very similar in appearance. Forster's Tern looks so much like a Common Tern that it was largely overlooked by many of the first birders and ornithologists to study these ...

This tiny bird is often hard to see in summer, when it lives high in tall conifers. In migration and winter, however, it often flits about low in woods and thickets, flicking its wings nervously as it ...

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 ...

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, ...

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 ...

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 ...

The mournful cooing of the Mourning Dove is one of our most familiar bird sounds. From southern Canada to central Mexico, this is one of our most common birds, often abundant in open country and along ...

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