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By 2009, thousands of grey seals had taken up residence on or near popular swimming beaches on outer Cape Cod, resulting in sightings of great white sharks drawn close to shore to hunt the seals. [48] A count of 15,756 grey seals in southeastern Massachusetts coastal waters was made in 2011 by the National Marine Fisheries Service. [49]
Five pinniped species, clockwise from top left: New Zealand fur seal (Arctocephalus forsteri), southern elephant seal (Mirounga leonina), Steller sea lion (Eumetopias jubatus), walrus (Odobenus rosmarus), and grey seal (Halichoerus grypus) Combined range of all pinnipeds
In 2008, more than 2,000 pups were born on Muskeget. With this large seal population, the waters surrounding Muskeget are an important feeding area for great white sharks. [6] The island is also home to an endemic species of rodent known as the Muskeget vole or beach vole, one of two terrestrial mammal species on the island. [1]
Since 2021, when the seals first arrived, their numbers have been steadily increasing. The site is now home to about 400 seals, up from about 200 three years ago. "We're really lucky," said Mr Wilson.
Baby grey seals have been spotted on the Norfolk coast as this year’s pupping season gets under way. The season typically begins in November, with the first fluffy faces already caught on camera ...
So far this winter, a total of 3,796 seal pups have been born while 1,169 adults have been spotted. The number is almost double the count in 2019/2020 when the total pup count was 2,069.
Southern elephant seal world population was estimated at 650,000 in the mid-1990s, [1] and was estimated in 2005 at between 664,000 and 740,000. [18] Studies have shown the existence of three geographic subpopulations, one in each of the three oceans.
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