Ernie Janes / Black howler (Alouatta caraya) male and female, captive, occurs in Brazil and Paraguay. With digitally added leaf pattern.

Andy Rouse / Indri Lemur, (Indri indri), in rainforest, Perinet, Madagascar

Marie Read / Black skimmers (Rynchops niger), three in non-breeding plumage on beach, Fort De Soto Park, St. Petersburg, Florida, USA. January. Digitally altered to remove distractions.

Ernie Janes / Black howler (Alouatta caraya) captive, occurs in South America.

Lorraine Bennery / Black lemur (Eulemur macaco macaco) female sitting in tree. Lokobe Reserve, Nosy Be, Madagascar.

John Chan / Black skimmer (Rynchops niger) skimming water surface / feeding, Southern California, USA, July.

Dave Bevan / Slow motion clip of Black garden ants (Lasius niger) moving exposed eggs underground, Carmarthenshire, Wales, UK, September.

Ingo Arndt / Black garden ants {Lasius niger} feeding on cricket Germany, Europe

Nick Garbutt / Male Indri (Indri indri) reaching for leaves / foraging in forest understorey. Mitsinjo Reserve, Andasibe-Mantadia National Park, eastern Madagascar. Endangered.

Ann & Steve Toon / Sable (Hippotragus niger), Chobe National Park, Botswana, June

Neil Aldridge / Sable antelope (Hippotragus niger) bull charging through the shallows of the Selinda Spillway, with another behind, northern Botswana, August.

Gabriel Rojo / Black caiman (Melanosuchus niger) on shore, Ibera Marshes, Corrientes Province, Argentina