Live camera footage from a bald eagle nest in California has gone viral, capturing hundreds of thousands of views.

"Then Chick #2 started "zippering" its way out of the shell. This is the final stage of hatching, as the little one pokes its egg tooth against the shell and uses its feet to spin it around and ...

The eagles at the U.S. Steel nest in West Mifflin are on egg watch ... know that that chick is getting ready to hatch," Handel said. To pip, the eaglet must use its tooth.