4.5K views · 423 reactions | #DYK: Caribou are also called reindeer? Also, both male and female caribou grow antlers, while in most other deer species, only the males have antlers. #FunFact #reindeer #caribou #MKEZoo | Milwaukee County Zoo | 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