832-398577 - Hippos (Hippopotamus amphibius) yawning, the animal opens its mouth upward at the sky. Black and white image. Hwange National Park, Zimbabwe, Africa
1174-10801 - A hippo, Hippopotamus amphibius, yawns while in the water, teeth visible, Londolozi Wildlife Reserve, Sabi Sands, Greater Kruger National Park, South Africa
1174-9233 - A pod of hippos, Hippopotamus amphibius, rest in a water hole, one yawning, Londolozi Wildlife Reserve, Greater Kruger National Park, South Africa
1174-8722 - A five year old boy standing outside a tent arms outstretched, yawning yawning outside tent, Kalahari Desert, Makgadikgadi Salt Pans, Botswana
1116-47594 - Female Brown bear (Ursus arctos) looking at camera with mouth open, captive in Alaska Wildlife Conservation Center, South-central Alaska, Portage, Alaska, United States of America
1174-8146 - The head of a cheetah, Acinonyx jubatus jubatus, as it yawns, teeth and tongue showing, eyes closed, Londolozi Game Reserve, Sabi Sands, South Africa
1174-6680 - Two wild dog, Lycaon pictus, walk together, looking out of frame, mouth open, dry yellow grass background, Londolozi Game Reserve, Kruger National Park, Sabi Sands, South Africa
1116-43930 - Female Cheetah (Acinonyx Jubatus) Rubs Against Tree Trunk And Yawns With Open Mouth While Young Cub Lies At Her Feet Near Ndutu, Ngorongoro Crater Conservation Area, Tanzania
1174-5225 - A leopard, Panthera pardus, lies on a dead tree branch, tail drapes down, yawning with ears back and eyes closed, in black and white, Londolozi Game Reserve, Sabi Sands, Greater Kruger National Park, South Africa
1174-5221 - A leopard, Panthera pardus, lies on a boulder and yawns, mouth open showing teeth, head tilted back, long white whiskers, in black and white, Londolozi Game Reserve, Sabi Sands, Greater Kruger National Park, South Africa
1174-5130 - A silhouette of a leopard, Panthera pardus, standing in the fork of a tree, yawning showing teeth, against orange sunset sky, Londolozi Game Reserve, Sabi Sands, Greater Kruger National Park, South Africa
1116-39963 - Tourists above on a canoe and a Whale Shark (Rhiniodon typus) below with it's mouth open. This is the world's largest species of fish, Oslob, Philippines