Choose the word which is different from the rest.

The answer is D. Kiwi.

Pigeons, crows, and parrots are all birds, while kiwis are flightless birds. Kiwis are native to New Zealand and are the smallest living ratites. They have long, sharp beaks and feathers that resemble fur.

Pigeons are small, plump birds with short necks and legs. They are found in many parts of the world and are often considered to be pests. Crows are large, black birds with long tails. They are intelligent birds that are often seen scavenging for food. Parrots are colorful birds with hooked beaks. They are found in tropical and subtropical regions and are popular as pets.