Do birds have teeth? Not anymore, but they once did, when they were more similar to dinosaurs.
During migration, birds' digestive system partially shuts down to conserve energy for flight.
Birds use infrasounds to sense storms long before dark clouds gather.
Birds and many reptiles evolved a specialized way of breathing—one-way air flow.
Birds of a feather steal together (and suspiciously hide food from one another).
In addition to hearing your voice, babies also rely on non-verbal communication to learn how to talk.
Birds' flight patterns are expanding due to climate change, which could upset fragile ecosystems.
Not exactly sure what difference between the cerebral cortex and the basal ganglia is? That's okay. Experts get confused too, as with the case of bird brains.
Reptiles often get a bad rap for their supposed dim wits. As it turns out, though, they're actually pretty darn clever.