Melvin Grey / Black-faced sandgrouse (Pterocles decoratus) pair standing, reflected in pool. Meru National Park, Kenya.

Melvin Grey / Chestnut-bellied sandgrouse (Pterocles exustus olivascens) pair in flight. Meru National Park, Kenya.

Melvin Grey / Chestnut-bellied sandgrouse (Pterocles exustus olivascens) male soaking feathers to provide chicks at nest with water. Meru National Park, Kenya.

Konrad Wothe / Masai giraffe (Giraffa camelopardalis tippelskirchi) in front of Mount Meru, Arusha National Park, Tanzania, East Africa, September.

Denis-Huot / Waterbuck (Kobus ellipsiprymnus) calves, Meru National Park, Kenya.

Denis-Huot / Male African buffalo (Syncerus caffer) having a mud bath, flinging mud, Meru National Park, Kenya. May.

Denis-Huot / Olive baboon (Papio anubis) feeding in Acacia tree after the rains, Meru National Park, Kenya.

Denis-Huot / White-backed vultures (Gyps Africanus) on a Doum palm (Hyphaene thebaica) Meru National Park, Kenya

Denis-Huot / Olive baboon (Papio hamadryas anubis) young male eating in a blossom acacia, Meru National Park, Kenya

Denis-Huot / African Elephant (Loxodonta africana) using trunk to feed. Meru National Park, Kenya