JoNova

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Penguins pretty happy about melting sea ice

Adelie Penguins would probably benefit from a bit of global warming. When 175 were tagged and tracked it turned out that they ate more krill when there was less sea ice. This is not so surprising given that they swim better than they waddle, so long stretches of sea ice make it harder to get to the supermarket and back.

And Krill (dinner) apparently like less sea ice too. Phytoplankton bloomed when the sea ice was gone.

Penguins on sea ice.  Photo by Danielle Barnes on Unsplash

Penguins may be an unlikely winner from climate change

Tom Whipple, The Australian

“Counterintuitively for this ice-dependent species, body conditions and breeding success ­improved in the ice-free environment,” wrote researchers from the Japanese National Institute of Polar Research, in the journal Science Advances.

The scientists used accelerometers, video cameras and tracking devices to plot each hunt. They found that when there was no ice the penguins did a lot more swimming — and this was a good thing.

“For penguins, swimming is a whopping four times faster than walking.

For the first three seasons the sea ice was large, then it shrank and the penguins went crazy:

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