For Stress-Free Penguins, Use a Rover

The first time a colony of Antarctic penguins sees a towering human striding toward them, it must be like First Contact. They’ve never seen a species our size on land before, or anything that moves like we do. Even after penguins have interacted with researchers, the approach of a human is a physiologically stressful experience. To avoid stressing out their subjects so much, some researchers are experimenting with remote-control rovers. They’re hardly natural, but it turns out penguins don’t

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