ENVIRONMENT
09/27/2010 09:26 am ET Updated Dec 06, 2017

Pronghorn Challenges Two Coyotes Threatening Her Fawn On 'Expedition Wild' With Casey Anderson (VIDEO)

Casey Anderson takes a trip to Yellowstone to check out the bustling new life of baby animals in this clip from "Expedition Wild."

Watch as a baby bighorn sheep learns how to maneuver the rocky terrain as one of its potential predators, the golden eagle, hatches fresh from the egg.

Anderson also stumbles upon a pronghorn fawn lying immobile to camouflage itself while its mother is away. Suddenly, two coyotes begin sniffing out the young as easy prey. But fortunately, mother comes running to the rescue, and you might be surprised at the outcome when North America's fastest mammal takes on the two wild canine.

"Expedition Wild" premieres Monday, September 27th at 9PM ET/PT on Nat Geo Wild.

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