Kittens

Most all kittens are born with some hunting instinct. But a kitten trying to hunt is going to hunt suboptimally, and probably won't be able to kill its prey. And that kitten will grow into a cat that is just inept of a hunter. But if that kitten just observes another cat hunting, however, it will learn the proper techniques.

This is not a kitten, but a world-weary looking dog: