Spotted hyena (Crocuta crocuta) on track at dawn, Masai Mara National Reserve, Kenya

White rhinoceros family

Researcher tranquiliser darting lioness at night in order to fit her with a radio collar

White rhinoceros profile

Cheetah (Acinonyx jubatus) sprinting, Masai Mara National Reserve, Kenya

Researcher fitting new radio collar to tranquilised lion at night

Dwarf mongoose on alert

Beisa oryx at sunset

Cheetah (Acinonyx jubatus) family on look-out, Masai Mara National Reserve, Kenya Date

Maasai giraffes (Giraffa camelopardalis)

Spotted hyena at dawn

African elephant browsing in storm light