A parrot can mimic human speech, fly, solve puzzles, and form bonds with humans. One thing a parrot cannot do is swim underwater.

A fish can swim, breathe underwater, regulate its buoyancy, and communicate with each other using sounds and body language. However, a fish cannot survive on land.

A tiger can hunt, stalk prey, swim, and run at high speeds. One thing a tiger cannot do is climb trees as easily as other big cats like leopards.

A rabbit can hop, burrow, groom itself, and have a strong sense of smell to navigate its environment. However, a rabbit cannot roar like other animals in the wild.

Overall, each animal has unique traits and abilities that make them specialized for their environments.