What's more adorable than a bear cub at play? Answer: Two little cubs busily wrestling, as seen in this clip posted to Vine on Tuesday by the U.S. Department of the Interior:
The vine was taken from a 2011 video filmed by Jeff Molyneaux showing baby bears wrestling on a road near the Hetch Hetchy Reservoir, which is inside the park.
For more great nature clips including bears, hummingbirds, bighorn sheep and more, follow the agency on Vine.
And when visiting bear country, watch your speed on the roads. You never know when you'll come across a pair of bears at play.