The latest supplement to the American Ornithological Society's Checklist of North and Middle American Birds includes several major updates to the organization of the continent's bird species, ...

Hundreds of thousands of years ago, a glacier advanced upon the Pacific Northwest, its ice forming a natural barrier that fractured crows into two populations. These populations began to diverge into ...

· Crows belong to the family Corvidae. The American Crow is the best known of the crow species. Other crow species include the Fish Crow, which is similar, but smaller with a more nasal voice, and the ...

Here's further evidence that bird brains are not entirely unlike human ones. When it comes to stealing food, Northwestern crows exhibit passive-aggressive behavior, according to new research findings ...

Crows and ravens are hard to tell apart, but basically, the common raven is bigger than the American and Northwestern crow. So, you might think that ravens would win in a fight. But that doesn’t seem ...

The latest supplement to the American Ornithological Society's Checklist of North and Middle American Birds, published in The Auk: Ornithological Advances, includes several major updates to the ...