Natural History Wanderings

National Audubon Society reports

The casual observer may apply the term “songbird” to any bird that sings a cheery melody, but for scientists, “songbird” is about more than just carrying a tune.

So, what gives these sirens their special something? A combination of three important traits: precise control over a highly specialized vocal organ called a syrinx, a unique arrangement of toes that makes perching on branches a breeze, and a natural talent for mimicry.

Read more at  National Audubon Society