harbor seal

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harbor seal,

most commonly seen sealseal,
carnivorous aquatic mammal with front and hind feet modified as flippers, or fin-feet. The name seal is sometimes applied broadly to any of the fin-footed mammals, or pinnipeds, including the walrus, the eared seals (sea lion and fur seal), and the true seals, also called
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 of the Northern Hemisphere, Phoca vitulina. Harbor seals are found along coasts and in sheltered bays and harbors of North America, Europe, and NE Asia. They range farther south than any other northern seal, being found in North America as far S as New Jersey and S California. They range north to the southernmost limits of the ice cap. Also known as common seals, hair seals, and leopard seals, they enter rivers, and are even found in the Great Lakes. Small seals, they reach a length of up to 6 ft (180 cm) and a weight of up to 250 lb (110 kg). Their coats are gray with white spots or yellowish with gray or black blotches. Harbor seals are solitary hunters; they feed on fish, mollusks, and crustaceans, coming ashore to rest and sleep. They may gather in large numbers on rocks or beaches, especially at the mating season. They are polygamous and the female produces a single pup in early spring. Small colonies of several families each occupy particular locations in the water, usually near rocky shores or islands, and may remain there for many generations. Their greatest enemies are sharks and killer whales. Harbor seals are classified in the phylum ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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, subphylum Vertebrata, class Mammalia, order Carnivora, suborder Pinnipedia, family Phocidae.
References in periodicals archive ?
Common seals come ashore to give birth in June and July when the sun is at its highest and brightest, while grey seals are born in late autumn, when the sun is lower in the sky and the light softer.
In 1988 around 300 grey seals died across Europe, compared to the 18,000 smaller common seals which are far more susceptible.
Sandy the common seal pup prepares to be released from his tank
The 9ct medallions are inscribed with a symbol of a phoenix rising from the ashes to represent the city's recovery from the Blitz and carry a citation with the city's common seal.
Agency : Nanyang Township ShaXian > Unsuccessful tenderers who has objections in writing prior to the expiration of publicity (bidders common seal signed by the legal representative) to bidding management supervision department.
The common seal is more widespread than the grey worldwide, but not in Britain.
Each winner was given a gold medallion with the symbol of a phoenix rising from the ashes - to represent the city's recovery from the blitz - and a citation with the city's common seal.
Animal welfare officers have warned that both grey and common seal numbers could be threatened unless the current wave of killings is stemmed.
Of 33 species of seal, only two are native to Britain - the common seal and the grey seal.
1994 First Common Seal pups to be born on Seal Sands for 130 years survive.
And this shot, taken in Quendale Bay on the Shetland Islands, shows one making the most of an explosion in the Grey and Common seal populations in the area.
The common seal and the grey seal have different breeding seasons.