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Arca

Harp seal

Pagophilus groenlandicus

Conservation status IUCN: Least concern· LC
Harp seal (Pagophilus groenlandicus)
Photograph from Wikimedia Commons · Wikipedia article (it)

Where the name comes from

Pagophilus is “ice lover”, from the Greek págos and phílos, and it is an honest name: this seal depends on seasonal sea ice to give birth, and without it has no alternative. Groenlandicus points to Greenland. In English it is the harp seal, for the black horseshoe on the adult’s back that recalls a harp.

Facts

Group
Mammals · Mammalia
Order
Carnivores
Habitat
Seasonal pack ice and open water of the North Atlantic and the Arctic
Range
From eastern Canada to Greenland, the White Sea and the Barents Sea
Size
1.7–2 m, 115–140 kg
Diet
Carnivore — capelin, polar cod, pelagic crustaceans
Lifespan
30–35 years

Characteristics

  • 01

    The pups are born with a woolly white coat which they lose in two or three weeks.

  • 02

    The mother’s milk reaches 48% fat: the pup doubles its weight in twelve days.

  • 03

    It makes annual migrations of over 4,000 kilometres.

What sets it apart

Suckling lasts twelve days, and then the mother leaves. The pup, born weighing ten kilos or so, reaches thirty-five in those two weeks on milk that is half pure fat; then it is left alone on the ice, without eating, and for six weeks lives by burning what it has stored while it teaches itself to swim. It is one of the shortest periods of dependence of any mammal, and the reason is the ice: the platform it was born on will melt, and the deadline is not negotiable.

Next species

Steller sea lion

Eumetopias jubatus