and Old Crow is located on the migration path of the Porcupine caribou herd. The annual migration of this herd is one of the largest of any land animal on Earth, and a portion of the herd ranges ...

These are the animals with the longest migrations. In the Yukon, Porcupine caribou travel 3,000 miles. This is the longest migration by land of any mammal on Earth. Monarch butterflies fly about ...