HARBOR SEAL




SCIENTIFIC CLASSIFICATION

COMMON NAME:

harbor seal

KINGDOM:

Animalia

PHYLUM:

Chordata

CLASS:

Mammalia

ORDER:

Pinnipedia

FAMILY:

Phocidae

GENUS SPECIES:

Phoca vitulina


FAST FACTS

DESCRIPTION:

Harbor seals have a rounded head with a fairly blunt snout and, like other true seals, lack external ear pinnae. They exhibit a wide range of color variations, from silver with black spots, to black with gray or white rings, to almost pure white.

MALE

Adult males are slightly larger than adult females

SIZE:

At birth, harbor seal pups are about 756-100 mm (29.5-39.4 in.) in length

MALE

Up to about 2.0 m (6.6 ft.)

FEMALE

Up to 1.7 m (5.6 ft.)

WEIGHT:

Newborn harbor seal pups weigh from 8-12 kg (8-26 lbs.)

MALE

Males weigh as much as 170 kg (375 lb.)

FEMALE

Females weigh up to 150 kg (331 lb.)

DIET:

Squid, crustaceans, mollusks, and fishes

GESTATION:

Gestational period 9-11 months; with 1.5-3 months delayed implantation

ESTRAL PERIOD

At the end of lactation

NURSING DURATION

4-6 weeks (wean)

SEXUAL MATURITY:

MALE

3-7 years

FEMALE

2-7 years

LIFE SPAN:

25-30 years

RANGE:

Temperate, Arctic and subarctic waters throughout the Northern Hemisphere. One subspecies, Phoca vitulina mellonae, is a landlocked group of harbor seals living in freshwater Seal Lake in Quebec, Canada.

HABITAT:

Cobble or sandy beaches, rocky reefs, tidal mudflats and sandbars along the coast or in bays or estuaries

POPULATION:

GLOBAL

400,000-500,000

LOCAL

The most abundant subspecies is P.v. richardsi - an estimated 200,000 individuals inhabit the eastern North Pacific from the Pribilof Islands to Baja California, Mexico

STATUS:

IUCN

Not listed

CITES

Not listed

USFWS

Not listed


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