Birds Are Built Different: Hovering Hummingbirds, Raptor Vision, Penguin Tricks, Parrot Brains

From hummingbirds that hover on a ridiculous metabolism to raptors with laser-sharp eyesight, this episode tours the weird engineering of birds. We also get into how songbirds communicate, why water birds (yes, penguins) are so specialized, and what makes parrots unnervingly smart.