Martin Dohrn / Wildebeest {Connochaetes taurinus} under stars at night, Masai Mara, Kenya. Starlight image intensifier camera image taken with no artificial light

Martin Dohrn / The Southern Cross star constellation shining above Ballenites trees in Masai Mara, Kenya. Starlight image intensifier camera image taken with no artificial light.

Martin Dohrn / Lightning at night over Masai Mara Kenya, East Africa. Starlight image intensifier camera image taken with no artificial light

Martin Dohrn / Spotted hyaenas at night, Masai Mara, Kenya. Starlight image intensifier camera image taken with no artificial light, composite

Martin Dohrn / Bioluminescence - pool with Snook, Snapper and a Stingray fish, Bio Bay, Vieques Island, Puerto Rico. Central America. Starlight image intensifier camera image taken with no artificial light.

Martin Dohrn / African elephant herd {Loxodonta africana} at night, Masai Mara. Starlight image intensifier camera image taken with no artificial light.

Martin Dohrn / Lioness at night with dilated pupils, Kenya. Starlight image intensifier camera image taken with no artificial light.

Martin Dohrn / Bioluminescent Dinoflagellates {Pyrocistus sp.} flashing at night. Starlight image intensifier camera image taken with no artificial light.