Nathan, 10, and his brother Alex, 6, look through binoculars in search of a Pacific Gray Whale during Heal the Bay and the Santa Monica Pier Aquarium's “Whale of a Weekend” on Saturday, February 13, 2010. Whale of a Weekend is a celebration of the gray whales annual migration back to the arctic. The gray whales’ annual migration habits are one of the longest of all mammals, approximately 10,000 to 14,000 milesround trip.
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