Suzi Eszterhas / Cheetah (Acinonyx jubatus) mother nuzzles seven day old cubs, Maasai Mara Reserve, Kenya

Anup Shah / Masai giraffe nuzzles baby,Masai Mara Kenya

Richard Du Toit / Giraffe nuzzles young, Mkuzi GR, South Africa

Joel Sartore / Photo Ark / Grevy's zebras (Equus grevyi) looking at the camera, one animal nuzzles the other before it walks off, Safari North, Brainerd. This species is from Kenya and Ethiopia. Endangered. Captive.

Roman Willi / Eurasian beaver (Fiber castor) adult swims towards a beaver kit. The kit then nuzzles the adult while it is grooming and then the adult swims out of frame, Lucerne, Switzerland, July.