Discover 5 types of birds that are blue! Beyond blue jays, we dive into tree swallows, eastern bluebirds, and much more!

From rainbows in flight to haunting forest melodies, discover 12 wild birds that make North America a birdwatcher’s dream.

At first they all look like pretty blue birds with black marks. But look closer, and the different species have slightly different shades of blue. To find the origins of avian blue, Prum and his ...