Description | Description:Reindeer live in herds in the arctic tundras of the Americas, Asia, and Europe. Its hooves become spongy during summer when the tundra is moist and soft. They again harden for winter so they can dig through snow. Reindeer migrate over 3,000 miles annually, more than any other mammal. | Description:Porcupines are the largest of all rodents,living in jungles of Africa, Europe, and Asia. They are coated with long poisonous spikes for defense. These spikes separate from the porcupine, painfully stick into the victim, and are difficult to remove. Porcupines are mostly grey and brown, but some are white in color. |