Parrots give names to their babies. Parents give each chick a different set of sounds, which they then use to talk to it. The chick memorizes this sound and then easily distinguishes whom the parents call - him or his sister or brother.
Parrots give names to their babies. Parents give each chick a different set of sounds, which they then use to talk to it. The chick memorizes this sound and then easily distinguishes whom the parents call - him or his sister or brother.