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LONDON ZOO

London Zoo: Watching gray whale moms

London Zoo

Growing up, there were two yearly rituals that made me happy to live in Los Angeles. One was the annual trip to Disneyland with my youth group, and the other was going whale watching. The species seen most often in southern California is the gray whale.

Gray whales have an unmistakable, distinctive appearance. Instead of a dorsal fin, they have a dorsal hump about two-thirds of the way back on their body, and a series of 6 to 12 bumps called knuckles between that hump and the tail flukes. Their skin is gray overall but with variation in pigmentation. The patches ranging from nearly white through various shades of gray give them a mottled appearance. They look even blotchier due to scars from parasites and old scratches, and because of clusters of barnacles and lice on their skin. The pattern of barnacles on each whale is unique, allowing scientists to identify individuals.



Karen B. London, Ph.D. is a Certified Applied Animal Behaviorist, Certified Professional Dog Trainer, and an author of seven books about animals, including Treat Everyone Like a Dog: How a Dog Trainer’s World View Can Improve Your Life.

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