• Wed. Oct 27th, 2021

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Antarctic seal numbers rose and fell with climate over 50,000 years

Mother and baby Antarctic Fur seals

Mother and baby Antarctic fur seals (Arctocephalus gazelle) on the beach at Fortuna Bay, South Georgia, Antarctica

Peter Barritt / Alamy Stock Photo

The Antarctic fur seal population has grown and shrunk over the past 50,000 years as the climate has changed, a genetic analysis suggests – and the finding could help us predict where the marine predators will choose to live as the climate continues to warm.

Today, Antarctic fur seals (Arctocephalus gazella) appear loyal to the same islands, particularly those of South Georgia in the south Atlantic Ocean. During the annual breeding season, some …