Exploring otters as they frolic at Yellowstone Lake, a powerhouse of geothermal activity, where the warmth beneath the rocks sustains life, even in winter. Also seen: bald eagles performing an airborne bonding ritual.
Genres: Documentary , Family
Keywords: animal-kingdom , animal-species , animals , animals-nature , environmental , helping-animals , knowledge , love-of-animals , nature , nature-documentary , people-and-nature , wildlife , latest-episodes , latest-web-series-online , tv-shows-online