Lucas Bustamante / Sri Lankan elephant (Elephas maximus maximus) walking past tourist jeep with tourists, Yala National Park, Southern Province, Sri Lanka

Suzi Eszterhas / African Elephant (Loxodonta africana) in defensive posture towards safari vehicle, Sabi Sands Private Game Reserve, South Africa

Guy Edwardes / African elephant (Loxodonta africana) with Egret (Ardeidae sp) on back wtih tourists watching from boat in background. Chobe River, Botswana. 2017.

ZSSD / Indian Rhinoceros (Rhinoceros unicornis) male calf, San Diego Zoo Safari Park, California

Wim van den Heever / Lion (Panthera leo) male with scars photographed with side-lit spot light at night. Greater Kruger National Park, South Africa, April.

Wim van den Heever / African elephant (Loxodonta africana) grazing in an open field with a full moon rising near Baobab tree (Adansonia digitata). With tourists on safari under the tree. Savuti Marsh, Botswana, May 2014.

Wim van den Heever / Plains zebra (Equus quagga) at sunset, Savuti Marsh, Botswana.

Andy Rouse / Bengal tiger (Panthera tigris tigris) with tourists watching from cars, Ranthambore, India

Theo Webb / Driver ant (Dorylus) large soldier guarding smaller ants, in Salonga National Park, Democratic Republic of Congo.

Ann & Steve Toon / Rothschild's giraffes (Giraffa camelopardalis rothschildi), feeding on leaves, Woburn Safari Park, UK, June, captive.

Enrique Lopez-Tapia / Domestic Asian elephants (Elephas maximas) used for riding safaris with their keepers, Royal Chitwan National Park, Nepal.

Enrique Lopez-Tapia / Domestic Asian elephants (Elephas maximas) used for riding safaris with their keepers, Royal Chitwan National Park, Nepal.