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A seal hunter from Sortavala at the shores of Lake Ladoga with his prey in 1940.. The current population is about 2,000–3,000, down from approximately 20,000 at the beginning of the 20th century, due to overhunting; hunting of the seals was banned entirely in 1980, but some illegal poaching still occurs.
The ringed seal (Pusa hispida) is an earless seal inhabiting the Arctic and sub-Arctic regions. The ringed seal is a relatively small seal, rarely greater than 1.5 metres (5 ft) in length, with a distinctive patterning of dark spots surrounded by light gray rings, hence its common name.
Lake Ladoga [a] is a freshwater lake located in the Republic of Karelia and Leningrad Oblast in northwestern Russia, in the vicinity of Saint Petersburg. It is the largest lake located entirely in Europe, the second largest lake in Russia after Lake Baikal , and the 14th largest freshwater lake by area in the world.
Two subspecies of ringed seals live solely in freshwater lakes. The Ladoga seal inhabits Lake Ladoga in the Leningrad Oblast and Republic of Karelia. The seals became isolated in Lake Ladoga from the Baltic ringed seal (Pusa hispida botnica) as early as 8,800 BP due to the gradual isostatic rebound of the region following the end of the ...
Ringed seals have a diel haul-out pattern in which they spend more time hauled-out during the night, an uncommon feature among pinnipeds. [ 9 ] [ 13 ] Hauling-out spikes an increase in the herding behaviour of ringed seals, particularly in the Ladoga subspecies. [ 14 ]
Red Data Book of the Russian Federation (RDBRF), also known as Red Book (Russian: Красная книга) or Russian Red Data Book, is a state document established for documenting rare and endangered species of animals, plants and fungi, as well as some local subspecies (such as the Ladoga seal) that exist within the territory of the Russian Federation and its continental shelf and marine ...
Hawaiian monk seals grow to be 6-7 feet long, weigh 400-600 pounds, and can live more than 30 years. Males and females are generally the same size — the only way to tell them apart is to look at ...
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