The Quiz: What kind of whale has made the longest migration of any mammal?
Sperm whale
Bowhead whale
Gray whale
Beluga whale
In 2015, scientists tracked a female western gray whale, who swam from Russia to Mexico and back again, traveling a total of 13,988 miles in 172 days. The whale, named Varvara, was tagged near Russia’s Sakhalin Island, and the satellite tracking showed her travel across the north Pacific near Alaska, then follow the western U.S. coast south to Baja California, Mexico.
The correct answer to this quiz is Gray whale.