Anup Shah / Young Eastern common chimpanzee {Pan troglodytes schweinfurtheii} Opal's baby, Mahale NP, Tanzania.

Anup Shah / Young Eastern common chimpanzee {Pan troglodytes schweinfurtheii} Opal's baby, Mahale NP, Tanzania.

Eric Baccega / Chimpanzee female (Pan troglodytes schweinfurthii) sleeping in a nest built in a tree, Kibale National Park, Uganda, January.

Eric Baccega / Chimpanzee juvenile (Pan troglodytes schweinfurthii) in a tree. Kibale National Park, Uganda. January.

Eric Baccega / Chimpanzee male (Pan troglodytes schweinfurthii) sleeping on the forest floor with feet up, Kibale National Park, Uganda. January.

Jabruson / Chimpanzee (Pan troglodytes schweinfurthii) in cage, confiscated from poachers, housed in Epulu, Okapi Wildlife Reserve, Orientale Province, North-East, Democratic Republic of Congo

Jabruson / Young Chimpanzee in fruiting fig tree (Pan troglodytes schweinfurthii) Tongo, Virunga National Park, Kivu, Democratic Republic of Congo

Florian Möllers / Female Chimpanzee (Pan troglodytes schweinfurthii) "Kalema" with her baby "Klauce", calling, hooting. Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / Baby male Chimpanzee (Pan troglodytes schweinfurthii) "Klauce" (4 months) in the arm of his mother "Kalema". Budongo Forest Reserve, Masindi, Uganda, Africa. December

Christophe Courteau / Wild chimpanzees (Pan troglodytes schweinfurthii) in a fig tree, Kibale National Park, Uganda

Anup Shah / Eastern common chimpanzee male 'Bonobo' {Pan troglodytes schweinfurtheii} sitting on branch Mahale NP, Tanzania.

Anup Shah / Eastern common chimpanzee baby {Pan troglodytes schweinfurtheii} Mahale NP, Tanzania.

Anup Shah / Eastern common chimpanzee male 'Alouf' {Pan troglodytes schweinfurtheii} in tree eating leaves with meat, Mahale NP, Tanzania

Anup Shah / Eastern common chimpanzee {Pan troglodytes schweinfurtheii} lying on ground, Mahale NP, Tanzania

Anup Shah / Chimpanzee with young feeding on bark, Gombe NP, Tanzania 2003 'Tanga' + 'Tom'

Anup Shah / Young Chimpanzees + mother fishing for termites, Gombe NP, Tanzania 2003 'Gremlin'

Anup Shah / Chimpanzee swinging through trees, Gombe NP, Tanzania 2003 'Fanni'

Anup Shah / Chimpanzee + young in tree 'Gremlin' + 'G', Gombe NP, Tanzania 2003

Anup Shah / Male Chimpanzee yawning, Gombe NP, Tanzania 2003 'Tubbe' {Pan troglodytes schweinfurtheii} Not available for ringtone/wallpaper use.

Anup Shah / Male Chimpanzee + young fishing for termites, Gombe NP, Tanzania 2003 'Gremlin'

Anup Shah / Young Chimpanzee chewing vine, 'Tom', Gombe NP, Tanzania 2002

Anup Shah / Chimpanzee in trees, 'Patti', Gombe NP, Tanzania 2002 {Pan troglodytes schweinfurtheii}

Jabruson / Young Chimpanzee playing with park warden {Pan troglodytes schweinfurthii} Virunga NP, Dem Rep of Congo

Jabruson / Male Chimpanzee (Opi) {Pan troglodytes schweinfurthii} Virunga NP, Dem Rep of Congo

Anup Shah / Male Chimpanzee sitting on tree buttress, Gombe NP Tanzania. Apollo

Anup Shah / Juvenile Chimpanzee Flirt in tree {Pan troglodytes schweinfurthii} Gombe NP Tanzania

Anup Shah / Juvenile Chimpanzee 'Flirt' in tree {Pan troglodytes schweinfurthii} Gombe NP Tanzania

Anup Shah / Chimpanzees feeding, Gombe NP, Tanzania. Fifi and Ferdinano

Jabruson / Young chimpanzee {Pan troglodytes schweinfurthii} Virunga NP, Congo

Cyril Ruoso / Eastern Chimpanzee (Pan troglodytes schweinfurthii) , Frodo the dominant male and hunter, eating a Red River Hog (Potamochoerus porcus) piglet with two females begging, Gombe National Park, Tanzania

Cyril Ruoso / Eastern Chimpanzee (Pan troglodytes schweinfurthii) eating leaves, Gombe National Park, Tanzania

Anup Shah / Eastern Chimpanzee (Pan troglodytes schweinfurthii) sixteen month old baby female, named Gossamer, in tree, Gombe National Park, Tanzania

Fiona Rogers / Eastern Chimpanzee (Pan troglodytes schweinfurthii) five year old juvenile female, named Fadhila, playing with her three year old brother, named Fifty, Gombe National Park, Tanzania

Anup Shah / Eastern Chimpanzee (Pan troglodytes schweinfurthii) fifteen year old mother carrying her twenty-one month old daughter, Gombe National Park, Tanzania

Fiona Rogers / Eastern Chimpanzee (Pan troglodytes schweinfurthii) mother, twenty-three years old, holding less than one day old newborn, Gombe National Park, Tanzania

Anup Shah / Eastern Chimpanzee (Pan troglodytes schweinfurthii) juvenile male, five years old, Gombe National Park, Tanzania

Anup Shah / Eastern Chimpanzee (Pan troglodytes schweinfurthii) female, thirteen years old, playing with her two month old baby daughter, Gombe National Park, Tanzania

Thomas Marent / Eastern Chimpanzee (Pan troglodytes schweinfurthii) mother with baby, Gombe Stream National Park, Tanzania

Thomas Marent / Eastern Chimpanzee (Pan troglodytes schweinfurthii) mother with baby, Gombe Stream National Park, Tanzania

Thomas Marent / Eastern Chimpanzee (Pan troglodytes schweinfurthii) baby with mother grooming juvenile, Gombe Stream National Park, Tanzania

Thomas Marent / Eastern Chimpanzee (Pan troglodytes schweinfurthii) baby hanging on branch, Gombe Stream National Park, Tanzania

Thomas Marent / Eastern Chimpanzee (Pan troglodytes schweinfurthii) parent grooming juvenile feeding on fruit, Gombe Stream National Park, Tanzania

Thomas Marent / Eastern Chimpanzee (Pan troglodytes schweinfurthii) mother with baby, Gombe Stream National Park, Tanzania

Eric Baccega / Chimpanzee (Pan troglodytes schweinfurthii) male sitting in a tree. Kibale National Park, Uganda, Africa

Eric Baccega / Hand and foot of chimpanzee (Pan troglodytes schweinfurthii). Kibale National Park, Uganda, Africa

Eric Baccega / Chimpanzee (Pan troglodytes schweinfurthii) male yawning. Kibale National Park, Uganda, Africa

Eric Baccega / Chimpanzee (Pan troglodytes schweinfurthii) males grooming, Kibale National Park, Uganda, Africa

Eric Baccega / Chimpanzee (Pan troglodytes schweinfurthii) males grooming, Kibale National Park, Uganda, Africa