Virtuoso bowhead whales constantly make up new songs
3 April 2018
Bowhead whales are such talented singers they can make two sounds simultaneously, and they invent new songs every year
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Premium
Polar bears waste lots of their energy and it could be a problem
1 February 2018
We thought polar bears had neat tricks for conserving energy in lean periods, but it turns out they are not that thrifty, which could cause them trouble in the future
Polar bears shift from seals to bird eggs as Arctic ice melts
12 May 2017
The habitat overlap of polar bears and their main prey, ringed seals, is disappearing and the bears are instead getting closer to nesting birds
