A robin chick opens its beak wide the first time a parent lands on the nest, just out of the egg.

It was born knowing how.

Robin chicks open their beaks wide as a parent lands on the nest.

A parrot says "hello".

It heard people say hello every day and copied them, so it learned it.

The chick's open beak and the parrot's hello, side by side.

Sea turtle hatchlings crawl straight to the sea minutes after hatching, with no parent to show them.

They were born knowing how.

Sea turtle hatchlings crawl straight toward the sea, minutes after hatching.

Paula's dog begs at the table.

It got a bit of food there once, and it kept trying, so it learned it.

Paula's dog begs at the table.