Luiz Claudio Marigo / Black-faced Lion Tamarin (Leontopithecus caissara) in its native habitat in Superagui Island, coast of Parana¡ State, Southern Brazil. Critically Endangered

Vincent Grafhorst / Black-faced Vervet Monkey (Cercopithecus aethiops) baby hanging upside down under its mother, Moremi Game Reserve, Okavango Delta, Botswana

Vincent Grafhorst / Black-faced Vervet Monkey (Cercopithecus aethiops) running through grass, Gaborone Game Reserve, Botswana

Vincent Grafhorst / Black-faced Vervet Monkey (Cercopithecus aethiops) portrait, Gaborone Game Reserve, Botswana

Kevin Schafer / Black-faced Vervet Monkey (Cercopithecus aethiops) mother and baby, Masai Mara, Kenya

Suzi Eszterhas / Black-backed Jackal {Canis mesomelas} nine-week pup being faced off by a young Topi {Damaliscus lunatus} Masai Mara Triangle, Kenya

Jouan & Rius / Black faced impala (Aepyceros melampus petersi) feeding in mopane forest, Etosha NP, Namibia

Sue Daly / Black-face Blenny (Tripterygion delaisi / atlanticus), Sark, Channel Islands, UK

Duncan Mcewan / Fungus {Onygena equina} growing on the horn of skull of a Black faced ram, Scotland, UK

Duncan Mcewan / Fungus {Onygena equina} growing on the horn of a Black faced ram, Scotland, UK

Rod Williams / Black faced ibis {Theristicus melanopis melanopis} captive, from South America

Richard Du Toit / Black-faced Vervet Monkey (Cercopithecus aethiops) holding it's tail, eastern Cape, South Africa

David Kjaer / Scottish black-faced sheep {Ovis aries} with new born lamb, Deeside, Scotland, UK

Rolf Nussbaumer / Male Black-faced Grassquit (Tiaris bicolor) on branch, Rocklands, Montego Bay, Jamaica. January 2005

Patricio Robles Gil / Black-faced Impala (Aepyceros melampus petersi) portrait, Etosha National Park, Namibia

Gary K. Smith / Black Faced Domestic Sheep (Ovis aries) with lambs, Mull, Scotland, UK

Hermann Brehm / Black-faced impala (Aepyceros melampus petersi) near water, Etosha NP, Namibia

Andrew Parkinson / Black faced impala female {Aepyceros melampus melampus} Etosha NP, Namibia

Bernard Castelein / Black faced sandgrouse (Pterocles decoratus) male on mud track, Tsavo NP, Kenya, East Africa

David Kjaer / Scottish black-faced sheep on hill farm {Ovis aries} Lochnagar, Deeside, Scotland, UK

Yuri Shibnev / Six Black faced bunting {Emberiza spodocephala} eggs in nest, South Primorsky Region, far east Russia.

Brian Lightfoot / Domestic sheep, Black faced tup / ram {Ovis aries} Aviemore, Scotland, UK

Richard Du Toit / Black faced impala (Aepyceros melampus petersi) ewes feeding on soil in dry river bed in the dry season, Etosha NP, Namibia

Rod Williams / Red faced black spider monkey {Ateles paniscus paniscus} female, captive, from Brazil and Guyana

Richard Du Toit / Male Black faced impala {Aepyceros melampus petersi} mutual grooming, Etosha NP, Namibia, Southern Africa

Roger Powell / Black-faced Cuckoo-Shrike {Coracina novaehollandiae} Victoria, Australia

Rolf Nussbaumer / Black-faced Grassquit {Tiaris bicolor} male preening on branch, Rocklands, Montego Bay, Jamaica.

Peter Blackwell / Lappet faced / Nubian vulture {Torgos tracheliotus} & Black backed jackal in dispute over carcass. Masai Mara, Kenya

Anup Shah / Black-faced Vervet Monkey (Chlorocebus / Cercopithecus aethiops) in tree, Ngongoro crater, Tanzania.

Anup Shah / Black-faced Vervet Monkeys mating (Chlorocebus / Cercopithecus aethiops) Ngongoro crater, Tanzania.

Anup Shah / Black-faced Vervet Monkeys (Chlorocebus / Cercopithecus aethiops) with young, Ngongoro crater, Tanzania.

Niall Benvie / Domestic Black Faced / Blackface Sheep in snow. Scotland

Brian Lightfoot / Domestic Black faced / Blackface Sheep feeding on hay, Glen Quich (Ovis aries) winter, Scotland

Niall Benvie / Silhouette of a Black faced sheep {Ovis aries} on mountain top. Scotland, UK.

Richard Du Toit / Male Black faced impalas greeting {Aepycersos melampus petersi} Namibia, Etosha NP.

Jose B. Ruiz / Black-faced blenny {Tripterygion delaisi} Mediterranean.

Tony Heald / Black faced impala {Aepyceros melampus petersi} running through water, Namibia.

Michael & Patricia Fogden / Black-faced Impala (Aepyceros melampus petersi) mother with young at waterhole, Etosha National Park, Namibia

Yva Momatiuk & John Eastcott / Red-faced Cormorant (Phalacrocorax urile) perched on coastal cliff, Bering Sea, St George Island, Pribilof Islands, Alaska

Konrad Wothe / Black-faced Vervet Monkey (Cercopithecus aethiops) in tree, east Africa

Tui De Roy / Bare-faced Curassow (Crax fasciolata) male in typical Cerrado habitat, Emas National Park, Brazil

Tui De Roy / Bare-faced Curassow (Crax fasciolata) male in typical Cerrado habitat, Emas National Park, Brazil

Sue Daly / Black faced blenny male {Tripterygion delaisi} Jersey, Channel Isles, UK Bouley bay

Gabriel Rojo / Bare faced curassow head portrait {Crax fasciolata} captive

Jose B. Ruiz / Black faced blenny female {Tripterygion delaisi} Mediterranean

Jose B. Ruiz / Black faced blenny female {Tripterygion delaisi} Mediterranean

Patricio Robles Gil / Black faced impala {Aepyceros melampus petersi} Etosha NP, Namibia

John Cancalosi / Black faced domestic sheep. Ram (Ovis aries) Scotland, UK.

Tony Heald / Gouldian finch, black faced morph {Chloebia gouldiae} Northern Territory, Australia

Tony Heald / Gouldian finch, red and black faced morphs {Chloebia gouldiae} Northern territory, Australia

Richard Du Toit / Black faced impala males displaying {Aepyceros melampus petersi} Etosha NP, Namibia

Martin Gabriel / Merino / Black-faced sheep, feeding, Kelheim county, Bavaria, Germany

Martin Gabriel / Merino / Black-faced sheep, portrait, Bavaria, Germany

Martin Gabriel / Merino / Black-faced sheep, ram, Lintlberg, Kelheim county, Bavaria, Germany

Martin Gabriel / Merino / Black-faced sheep, Lintlberg, ram and ewes, Kelheim county, Bavaria, Germany

Martin Willis / Black-faced Monarch (Monarcha melanopsis) in rainforest, Malanda, Queensland, Australia

Murray Cooper / Black-faced Ibis (Theristicus melanopis) group flying, Andes, Ecuador

Vincent Grafhorst / Black-faced Vervet Monkey (Cercopithecus aethiops) baby nursing, Moremi Game Reserve, Okavango Delta, Botswana

Vincent Grafhorst / Black-faced Vervet Monkey (Cercopithecus aethiops) portrait, Gaborone Game Reserve, Botswana

Nature Production / Black-faced Bunting {Emberiza spodocephala} male, Japan, May

Thomas Mangelsen / Black-faced Vervet Monkey (Cercopithecus aethiops) mother with baby, Manyara National Park, Tanzania

Shin Yoshino / Black-faced Vervet Monkey (Cercopithecus aethiops) group on grasslands, Africa

Gerry Ellis / Black-faced Vervet Monkey (Cercopithecus aethiops) portrait in tree, Barbados, Caribbean

Nick Gordon / Long haired spider monkeys. (Ateles belzebuth) Brazil Black faced. hanging.