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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]
Newborn seals have yellow fur because of amniotic fluid, and are still wet. When the pup dries, it is called a yellowcoat. The amniotic stain fades and the fur turns white within a few days, and it gets the name whitecoat. First it's called a thin whitecoat, and when it becomes visibly fatter it is a fat whitecoat. [1] Nursing lasts for about ...
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 ...
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.
Range maps are provided wherever possible; if a range map is not available, a description of the pinniped's range is provided. Ranges are based on the IUCN Red List for that species unless otherwise noted. All extinct species or subspecies listed alongside extant species went extinct after 1500 CE, and are indicated by a dagger symbol "†".
A nearly 151-pound adult harp seal was rescued from a beach in Lavallette in February, according to the Marine Mammal Stranding Center. It was released in early April and had gained 70 pounds.
This is an accepted version of this page This is the latest accepted revision, reviewed on 11 February 2025. 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: Grey seal (Halichoerus grypus), Steller sea lion (Eumetopias jubatus), New Zealand fur seal (Arctocephalus forsteri ...
Weddell seals from Erebus Bay in Antarctica have been studied for decades -- and now, two of the creatures are having 15 minutes of Internet fame. Scientist William Link with the U.S. Geological ...