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Harbor seals are brown, silvery white, tan, or gray, with distinctive V-shaped nostrils. An adult can attain a length of 1.85 m (6.1 ft) and a mass of up to 168 kg (370 lb). Blubber under the seal's skin helps to maintain body temperature. Females outlive males (30–35 years versus 20–25 years).
USS Columbus (SSN-762) is a Los Angeles-class nuclear powered fast attack submarine and the second vessel of the United States Navy to be named for Columbus, Ohio.The contract to build her was awarded to the Electric Boat Division of General Dynamics Corporation in Groton, Connecticut, on 21 March 1986 and her keel was laid down on 9 January 1991.
A weaned harp seal pup. Harp seal births are rapid, with recorded lengths as short as 15 seconds in duration. [18] In order to cope with the shock of a rapid change in environmental temperature and undeveloped blubber layers, the pup relies on solar heating, and behavioral responses such as shivering or seeking warmth in the shade or even water ...
Ecologists have finally identified the mystery culprit behind decapitated seal pups turning up along California's North Coast: coyotes.
Grey seal range [ 1 ] The grey seal (Halichoerus grypus) is a large seal of the family Phocidae, which are commonly referred to as "true seals" or "earless seals". The only species classified in the genus Halichoerus, it is found on both shores of the North Atlantic Ocean. In Latin, Halichoerus grypus means "hook-nosed sea pig".
The hatch covers and the edges of the hatch openings, however, tended to warp or get bent in use, destroying the watertight seal. Later vessels had hatch coamings . While this was an improvement, it was not enough to make up for the relatively small size of the hatches: because the sides of the boats curved in, the hatches were not as wide as ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 11 October 2024. Taxonomic group of semi-aquatic mammals Pinnipeds Temporal range: Latest Oligocene – Holocene, 24–0 Ma Pre๊ ๊ O S D C P T J K Pg N Clockwise from top left: Steller sea lion (Eumetopias jubatus), southern elephant seal (Mirounga leonina), New Zealand fur seal (Arctocephalus ...
The spotted seal is of the family, Phocidae, or "true seals". Compared to other true seals, they are intermediate in size, with mature adults of both sexes generally weighing between 82–109 kg (180–240 lb) and measuring 150–210 cm (59–83 in), roughly the same size as a harbor seal or ribbon seal. The head of a spotted seal is round ...