
Each year gray whales migrate about 10,000 miles each direction moving from Mexico to Alaska and back. As they migrate north, the whales will stop occasionally to rest or feed, but as they migrate south, it appears they do not stop.
[Photo and caption by Alycia Drwencke]
Reference:
Pike, G. C. (1962). Migration and feeding of the gray whale (Eschrichtius gibbosus). Journal of the Fisheries Board of Canada, 19(5), 815-838.
[Edited by Maggie Creamer]