In addition to Guadalupe fur seals (A. townsendi) I have dived among Northern and Galapagos fur seals (Callorhinus ursinus, A. galapagoensis) and have seen both species adopt this head-down posture as well, and suspect that it may be a natural resting position for fur seals that share their waters with large sharks.
Guadalupe fur seal, Islas San Benito. San Benito Islands (Islas San Benito), Baja California, Mexico
Image: 02297 Species: Guadalupe fur seal, Arctocephalus townsendi Location: San Benito Islands (Islas San Benito), Baja California, Mexico Lat/Long: 28° 18' 30.0"N, 115° 32' 26.2"W (Coordinates: 28.30833°, -115.54061°) Format: Film 3:2 Other Names: Guadalupe Fur Seal, Lower Californian Fur Seal, Arctocéphale De Guadalupe, Otarie À Fourrure D'amérique, Oso Marino De Guadalupe Copyright © Phillip Colla, all rights reserved worldwide.
Keywords: animal, animalia, arctocephalus, arctocephalus townsendi, arctocéphale de guadalupe, baja california, california, caniformia, carnivora, carnivore, chordata, eared seal, endangered, endangered threatened species, endemic species, fur seal, guadalupe fur seal, guadalupe island, lower californian fur seal, mammal, mammalia, marine, marine mammal, mexico, ocean, oceans, oso marino de guadalupe, otarid, otarie À fourrure d'amérique, otariid, otariidae, pacific, pacific ocean, pinniped, pinnipedia, san benito island, san benito islands, sea, seal, threatened, townsendi, underwater, vertebrata, vertebrate, wildlife |