Ringed seal

Ringed seal
Scientific name:
Pusa hispida or Phoca hispida
Circumpolar distribution throughout the Arctic Basin, also in northern and eastern part of the Baltic Sea
Ring-shaped marks on their coats as adults
Weight and size: 
Up to 100 kg and 150 cm in length
Approx. 45 years
Crustaceans, fish (up to 72 species, mostly cod)
For juveniles: Polar bears, polar fox, glaucous gull, walrus, for adults: Orcas
Threatened by: 
Climate change, need ice and snow for the construction of caves; pollutants
IUCN red list status:
Least concern
Special features:
Construct caves or lairs on top of the ice and under the snow with access to the water by using their strong claws, where they birth and nurse their young protected from cold and predators
Recent research projects:
Canada, 2013, Chambellant, researchers investigate stomach content of ringed seals to analyse diet
Baltic Sea and Svalbard, 2009, Routti, researchers investigate organic pollutants in ringed seals