Martin van Lokven / Hawksbill Sea Turtle (Eretmochelys imbricata), D'Arros Island, Seychelles

Martin van Lokven / Red-eyed Tree Frog (Agalychnis callidryas), Laguna del Lagarto, Boca Tapada, Costa Rica

Martin van Lokven / African Lion (Panthera leo) female, Serengeti National Park, Tanzania

Martin van Lokven / African Lion (Panthera leo) sub-adult male predating Blue Wildebeest (Connochaetes taurinus) calf, Ngorongoro Conservation Area, Tanzania

Martin van Lokven / Masai Giraffe (Giraffa tippelskirchi) trio, Ngorongoro Conservation Area, Tanzania

Martin van Lokven / African Lion (Panthera leo) male, Ngorongoro Conservation Area, Tanzania

Martin van Lokven / Cheetah (Acinonyx jubatus) mother with cub, Ngorongoro Conservation Area, Tanzania

Martin van Lokven / Cheetah (Acinonyx jubatus) female hunting Blue Wildebeest (Connochaetes taurinus), Ngorongoro Conservation Area, Tanzania

Martin van Lokven / African Lion (Panthera leo) male, Ngorongoro Conservation Area, Tanzania

Martin van Lokven / Ground Hornbill (Bucorvus leadbeateri) predating young Leopard Tortoise (Geochelone pardalis), Ngorongoro Conservation Area, Tanzania

Martin van Lokven / African Lion (Panthera leo) cubs, Ngorongoro Conservation Area, Tanzania

Martin van Lokven / Alpine Ibex (Capra ibex) male, Saas Fee, Wallis, Switzerland