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Adult harp seals grow to be 1.7 to 2.0 m (5 ft 7 in to 6 ft 7 in) long and weigh from 115 to 140 kg (254 to 309 lb). [1] The harp seal pup often has a yellow-white coat at birth due to staining from amniotic fluid, but after one to three days, the coat turns white and stays white for 2–3 weeks, until the first molt. [2]
Harp seals are named for the harp-like pattern on the backs of adults. While juvenile harp seals are common along New Jersey's coast, adults are more rare, according to the stranding center.
The treaty was created to regulate hunting of the Northern fur seal, pictured here.. The North Pacific Fur Seal Convention of 1911, formally known as the Convention between the United States and Other Powers Providing for the Preservation and Protection of Fur Seals, was a treaty signed on July 7, 1911, designed to manage the commercial harvest of fur-bearing mammals (such as Northern fur ...
A ragged-jacket (or, occasionally, "raggedy-jacket") is the name given to a harp or grey seal pup when it is undergoing its first moult, and the intermediate stage between a "whitecoat" and a "beater". [1] [2] The moulting begins when the pup is at an age of about 12–14 days, at which time they cease nursing. At this young age, the pups are ...
Young ribbon seals look like young harp seals, and like these, they were hunted for their fur. Since they do not form herds, ribbon seals were more difficult to catch than harp seals. Since the Soviet Union limited the hunt on ribbon seals in 1969, their population has recovered. The current population is around 250,000.
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Adult Guadalupe fur seals are dark brown or dusty gray with yellowish silver manes, called guard hairs, on the back of the neck. [3] Guadalupe fur seals are sexually dimorphic in size, as males are much larger and heavier than females; males can grow to about seven feet in length and weigh upwards of 400 pounds, while females are typically only five feet long and weigh about 110 pounds. [4]
The National Wildlife Refuge System Administration Act of 1966 provided guidelines and directives for administration and management of all areas in National Wildlife Refuge system including "wildlife refuges, areas for the protection and conservation of fish and wildlife that are threatened with extinction, wildlife ranges, game ranges, wildlife management areas, and waterfowl production areas."