Like many predators, wolverines prefer to hunt at night, but during this time of year in the arctic, the sun never sets. | National Geographic Animals

2.4K views · 23 reactions | Few see the wolverine – and even setting up a camera trap comes with problems. But this remarkable and fearsome relative of the weasel, which inspired a grumpy X-man of the same name, is far from conventional in other ways, too. | National Geographic UK | Facebook