Thousands of pink-footed geese have begun migrating to breed on a remote island in the Arctic that was used for testing nuclear bombs until 1990
Some pink-footed geese have begun migrating to the Arctic island of Novaya Zemlya in the summer to breed, nearly 1000 kilometres away from their usual breeding site onConditions on Novaya Zemlya, a Russian island in the Arctic, used to be too cold for breeding geese. But with spring conditions coming earlier in the year because of global warming, the island has become suitable, says
There are two populations of pink-footed geese . One overwinters in the UK and Ireland and migrates to Iceland and Greenland to breed in summer.The other overwinters in the Netherlands and Denmark, migrating to Svalbard to breed. In spring, this population flies along most of the length of Norway, resting in places, before the long flight over the sea to Svalbard. The birds return along this route in autumn.
To find out where they were going, in 2018 and 2019, Madsen and his colleagues put GPS tags on 21 geese. Half of them flew to a part of Novaya Zemlya that was. Not even Russian biologists are allowed to go there, says Madsen, so their presence wouldn’t have been discovered without the GPS trackers.
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