Gray wolves are a key part of their ecosystem. They keep the numbers of animals they hunt in check. Their leftovers provide food for other creatures. But wolves are difficult to study because they are nocturnal. That means they are mostly active at night.
Wildlife ecologist Caleb Bryce uses special collars to track the wolf population in Alaska’s Denali National Park. These collars have smart transmitters. They let Bryce know when the wolves are active or resting, where they chase and kill their prey, and when they wander into dangerous human territory, like highways.
“Understanding these important carnivores can help inform conservation efforts here and elsewhere,” explains Bryce.