May: Moms and Babies Headed North for Summer Feasting
It's May, and most of the mothers have started the long journey north with their babies. They travel close to the coast where waters are shallower. They stop often to nurse and rest. Meanwhile, most hungry older whales are completing their long migration north to their summer feeding grounds in the cold waters off Alaska and Siberia. Over the next five months they will gain back an estimated 16 to 30 percent of their total body weight. That much weight was lost during the migration south and the winter in Mexico, where their food is scarce.

Photo: Adrienne DeLiso , Baja EcoTours