Tags to reveal walrus migration

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Scientists are closer to solving the mystery of where walruses head to in the summer months after attaching satellite tags to eight of the beasts. Until now, the Arctic animals' migration route and destination have remained a mystery to researchers. A Danish-Greenlandic team had to spend five days off the west Greenland coast in harsh conditions to tag the mammals. They also hope the devices will shed light on how hunting, oil exploration and climate change affect walruses. The tags were deployed over a period of two days by the expedition's field leader Mikkel Villum Jensen. The creatures were scoped out from a 70-tonne trawler as it ploughed through the ice-covered waters of the Davis Strait, which lies between the west coast of Greenland and Baffin Island, Canada.