United States - June 25, 2024

As summer heats up in the Arctic, caribou are facing increased challenges from parasitic insects. The seasonal influx of insects poses a significant threat to the health and well-being of these iconic Arctic animals. In response to the relentless harassment from insects, caribou are adapting by clustering together and migrating to higher elevations where the cooler, windier conditions help reduce insect activity.

These elevated areas, often marked by lingering snow patches, offer temporary relief from insect bites. However, they also present a drawback: limited forage for the caribou, impacting their nutrition and overall health. As Arctic summers continue to warm, experts anticipate a rise in insect populations, intensifying the pressure on caribou populations across the region.

This phenomenon is captured in video footage from a camera collar worn by a female caribou, highlighting their adaptive behaviors in the face of environmental challenges.