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Sea Lions
Zalophus californianus
32.8508, -117.273
Field Notes
Description:
Like other "eared" seals, California sea lions have prominent external ear flaps and long foreflippers covered in fur past the wrist and tiny claws. The hind flippers are shorter and also have short claws at the ends of the digits.
Adult male California sea lions have a prominent sagittal (cranial) crest, making them easy to distinguish from females and immature males. Mature males also tend to be a much darker brown color and are substantially larger than adult females. Unlike many other species of sea lion, California sea lion males lack a well-defined mane.
Mature females and immature males are light yellowish to tan in color and lack the prominent sagittal crest of the adult male.
Habitat:
Ocean waters at La Jolla.
Notes:
The sea lion's ancient ancestors, like those of whales and dolphins, lived on land. The modern animal is well adapted to an aquatic environment, with its streamlined body and powerful flippers. (The rear flippers rotate forward to allow a California sea lion to move surprisingly well on land.)
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