Choose the word which is different from the rest.

The answer is B. Hyena.

A giraffe is a tall, long-necked mammal with a spotted coat. It is the tallest living animal on Earth. A hyena is a dog-like mammal with a spotted coat. It is a scavenger and carnivore. A deer is a hoofed mammal with branched antlers. It is a herbivore. A rhinoceros is a large, thick-skinned mammal with one or two horns. It is a herbivore. A zebra is a striped mammal with a long neck and legs. It is a herbivore.

Hyenas are the only animals in the list that are not herbivores. They are scavengers and carnivores, which means they eat dead animals and other animals. The other animals in the list are all herbivores, which means they eat plants.