California Grey Whale, migration patterns

California Grey whales or pacific Grey Whales live in the shallow ocean waters along the coats lines.  In October the grey whale begin leaving their feeding grounds in the Bering Sea and Chukchi Sea and return to southern Baja California and Mexico to their mating and birthing areas. This journey takes them about 2-3 months.  Remember these whales are slow swimmers.  So this is am amazing distance.  The grey whales stay in these warm southern lagoons for 2-3 months while the calves build up a think layer of blubber to prepare for the colder northern waters. The return trip north takes them another 2-3 months. grey whale moms travel very close to the coastal shore lines with their calves during the migration north. A migrating gray whale has a predictable breathing pattern, generally blowing 3-5 times in 15-30 second intervals before raising its fluke and submerging for 3-5 minutes. A gray whale can stay submerged up to 15 minutes, and travel at 3-6 miles per hour (4.8-9.6 km/hr). Mothers are very protective of their calves, and earned the name "Devilfish" from early whalers in the lagoons because of their violent defensive behaviors. Orcas (killer whales) are a cause of gray whale deaths, and many gray whales have orca teeth scars on their flukes.

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