The Gray Whale Southern Migration
Pregnant females are the first to migrate, followed by mature adults of both sexes and then by juveniles. Whales travel at a rate of up to three to five miles per hour during the southbound migration. It takes them about three weeks to get to Mexico.
Gray whales eat very little while migrating and while in calving areas. Many whales may go without food for three to five months.
The animals travel south to the three major breeding and calving lagoons on the west coast of Baja California, Mexico: Laguna Ojo de Libre, adjacent to Laguna San Ignacio; Guerrero Negro Lagoon and Magdalena Bay.
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