What is Gonzo? We asked three biologists.

Many of the Muppets are pretty easy to pin down, species-wise. Kermit is a frog. Fonzie is a bear. Miss Piggy is, obviously, a feisty piggy. But Gonzo—with his blue-ish fur, bulging eyes, tuft of purple feathers, and long, curved nose that looks a little like a beak—is something of an enigma. The writers of the Muppets have avoided the question of what Gonzo is for years.Well, in a new episode of Popular Science’s Ask Us Anything podcast, we asked three biologists to break down exactly wha