4.2K views · 71 reactions | Sam Gruben spotted a pair of caribou in a bit of scrap with each other on the Inuvik-Tuktoyaktuk Highway, in the N.W.T. Watch as they zigzag back and forth across the road. | CBC NWT | Facebook

Caribou migration routes are under threat. Each year, caribou make migrations in their hundreds of thousands across the Arctic. But as the climate warms, their ancient pathways are changing - and so is the frozen ground itself. #OurFrozenPlanet tells stories that land the urgency of climate change whilst inspiring hope that change is possible for us and the health of our planet. Discover more ➡️ https://www.bbcearth.com/our-frozen-planet | BBC Earth