Bears in the Northern Rockies are feasting on as many as 40,000 moths a day! Learn more about these grizzlies—and why they're relying on moths as a food source. https://on.natgeo.com/3noaYne Video by Steven Gnam. | National Geographic

How many bears can fit on a tree limb? Watch these two Yellowstone black bear cubs hanging out in a tall tree with mom, and then playing and exploring their new world. What a gift to be able to observe wild bear behavior, and get such intimate insight into their lives. We can repay that gift by giving them the space they need to be wild bears; keeping distance, and observing and photographing through spotting scopes, binoculars, and telephoto lenses (as Jenny did here). 🐻💕🌼 | A Yellowstone Li