This year marks the 25th anniversary of the return of wolves to Yellowstone National Park. The return not only reestablished these apex predators in part of their historic range, it has provided a unique opportunity to study the details of wolf behavior.

Researchers studying Yellowstone National Park’s wolves are learning intimate details of these predators’ lives – and finding out wolf families are a lot like our own.

Read my latest Animal Minds post: Wolf Leader Pairs Stay Together for Life.