Gerry Ellis / Hippopotamus (Hippopotamus amphibius) group in river at dawn, Moremi Wildlife Reserve, Linyanti River, Botswana

Jeff Foott / Waterfall along coast, Hug Point Falls, Hug Point State Recreation Site, Oregon

Jeff Foott / Hug Point Falls at low tide in spring, Hug Point State Recreation Site, Oregon

Kirkendall-Spring / Waterfall at Hug Point, Hug Point State Park, Oregon, USA. April 2016.

Kevin Schafer / Sunset, Hug Point Falls, Oregon

Jerry Monkman / Young girls sledding at Wagon Hill Farm in Durham, New Hampshire, USA, January 2009.

Jerry Monkman / Young brother and sister playing in the Eightmile River in the Nature Conservancy's Pleasant Valley Preserve. Lyme, Connecticut, USA, August 2006. Model released.

Anup Shah / Chimpanzee {Pan troglodytes} orphans Kisa & Bahati hugging, Sweetwaters Chimp Sanctuary, Kenya

Jeff Foott / Hug Point Falls at low tide in spring, Hug Point State Recreation Site, Oregon

Jabruson Motion / Eastern mountain gorilla (Gorilla beringei beringei) female grooming infant and pulling them in for a hug. The camera zooms out from a close-up of the adult grooming the infant gorilla. Bukima, Virung...