A cross between an Antarctic minke whale and a northern minke whale was recently discovered during a DNA analysis of whales caught by Norwegian hunters.

(Related pictures: "'Pizzly' to Be Joined by More Arctic Hybrids?")

Normally the two whale species—both of which can reach 35 feet (11 meters) in length—undertake seasonal migrations that separate them by many miles of ocean.

Northern minkes head toward the North Pole in spring and ply waters up to the edge of Arctic ice during the summer. In autumn these whales head south, nearly as far as the Equator, to spend the winter. (See whale pictures.)

Antarctic whales follow a similar pattern, moving