Denis-Huot / Crowned crane (Balearica regulorum gibbericeps) head portrait, Masai-Mara game reserve, Kenya.

Denis-Huot / Masai giraffe (Giraffa tippelskirchi) drinking at pool with two Red-billed oxpeckers (Buphagus erythrorhynchus) flying around its head, Amboseli National Park, Kenya. Endangered.

Denis-Huot / Masai giraffe (Giraffa tippelskirchi) drinking at pool with two Red-billed oxpeckers (Buphagus erythrorhynchus) flying around its head, Amboseli National Park, Kenya. Endangered.

Denis-Huot / Elephant (Loxodonta africana) male, dust bathing, Amboseli National Park, Kenya. Endangered.

Denis-Huot / Elephant (Loxodonta africana) male, portrait, Amboseli National Park, Kenya. Endangered.

Denis-Huot / Elephant (Loxodonta africana) male, portrait, Amboseli National Park, Kenya. Endangered.

Ann & Steve Toon / White-backed vultures (Gyps africanus) flock perched in tree, silhouetted at sunrise, Mashatu game reserve, Botswana. Critically endangered.

Yashpal Rathore / Tiger (Panthera tigris) female, walking past stone carved pillars of Bandhavgarh Fort ruins at night, Bandhavgarh Tiger Reserve, Madhya Pradesh, India. Endangered. Camera trap.

Yashpal Rathore / Tiger (Panthera tigris) female, walking through carved door entrance gate of ruins of Bandhavgarh Fort at night, Bandhavgarh Tiger Reserve, Madhya Pradesh, India. Endangered. Camera trap.

Yashpal Rathore / Tiger (Panthera tigris) female, walking through entrance gate of ruins of Bandhavgarh Fort, Bandhavgarh Tiger Reserve, India Madhya Pradesh, India. Endangered. Camera trap.

Yashpal Rathore / Tiger (Panthera tigris) male, stopping to sniff the trail before crossing a wire fence separating core area to buffer area, Bandhavgarh Tiger Reserve, Madhya Pradesh, India. Endangered. Camera trap.

Yashpal Rathore / Tiger (Panthera tigris) male, stopping to sniff the trail before crossing a wire fence separating core area to buffer area, Bandhavgarh Tiger Reserve, Madhya Pradesh, India. Endangered. Camera trap.