Swift fox (Vulpes velox) kits nursing, Pawnee National Grassland, Colorado, United States of America, North America

Infant Vervet Monkey (Chlorocebus aethiops) nursing, Kruger National Park, South Africa, Africa

Infant Vervet Monkey (Chlorocebus aethiops) nursing, Kruger National Park, South Africa, Africa

Indian Langur monkeys, Presbytis entellus, in Banyan Tree in Ranthambhore National Park, Rajasthan, Northern India

Cow on a farm near Waiuku on North Island in New Zealand

Mother and pup (nursing) southern elephant seal (Mirounga leonina) on the beach at President Head on Snow Island in the South Shetland Island Group, Antarctica

Harbor Seal (Phoca vitulina) mother (note the wet nipples where her pup has been nursing) on ice calved from the Sawyer Glaciers in Tracy arm, Southeast Alaska, USA. Pacific Ocean.

Portrait of smiling couple wrapped in towels near fire pit

Portrait of smiling couple wrapped in towels near fire pit

Smiling Black man relaxing in swimming pool

Baby Camel Drinking from Mother Camel

Lions

Female nude, nipple, detail, studio shot, Germany, Europe

Close-up of lioness (Panthera leo) on back with suckling cub, Serengeti National Park, Tanzania