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

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

Simon Colmer / Scale insects (Hemiptera) on branch, Budongo Forest Reserve, Uganda.

Simon Colmer / Transparent Tortoise Beetle (Charidotella) Budongo Forest Reserve, Uganda.

Simon Colmer / Budongo Eco Lodge cabin, Kabinyo Pabidi, Budongo Forest Reserve, Uganda, January 2011.

Simon Colmer / Group of ants carrying a seed, Budongo Forest Reserve, Uganda.

Simon Colmer / Budongo Eco Lodge, Kabinyo Pabidi, Budongo Forest Reserve, Uganda, January 2011.

Simon Colmer / Budongo Eco Lodge sign. Kabinyo Pabidi, Budongo Forest Reserve, Uganda, January 2011.

Simon Colmer / Young trees and climbers growing at the edge of semi-deciduous tropical rainforest, Budongo Forest Reserve, Uganda.

Simon Colmer / Dutchman's pipe (Aristolochia elegans), Budongo Forest Reserve, Uganda. A medicinal plant used traditionally to treat malaria and snake bite.

Simon Colmer / Elephant Stag Fern (Platycerium elephantotis) Budongo Forest Reserve, Uganda.

Simon Colmer / Tree frog (Leptopelis sp) Budongo Forest Reserve, Uganda.

Simon Colmer / Tree frog (Leptopelis sp) Budongo Forest Reserve, Uganda.

Simon Colmer / 'Hippo mouth' tree, Budongo Forest Reserve, Uganda. . Hardwood.

Simon Colmer / Uganda Ironwoodtree (Cynometra alexandrii) Budongo Forest Reserve, Uganda.

Simon Colmer / Budongo Heavy Mahogany tree (Entandrophragama utile), Budongo Forest Reserve, Uganda. Vulnerable species.

Simon Colmer / Budongo Heavy Mahogany tree (Entandrophragama utile), Budongo Forest Reserve, Uganda. Vulnerable species.

Simon Colmer / Budongo Heavy Mahogany tree (Entandrophragama utile), Budongo Forest Reserve, Uganda. Vulnerable species.

Simon Colmer / Iporuru (Alchornea floribunda), Budongo Forest Reserve, Uganda. The plant has psychedelic and aphrodisiac properties and the powdered rootbark is used for traditional medicine for malaria.

Simon Colmer / Driver ants (Dorylus sp.) forming bridges to cross gap on rainforest floor, Budongo Forest Reserve, Uganda.

Simon Colmer / Driver ants (Dorylus sp.) forming bridges to cross gap on rainforest floor, Budongo Forest Reserve, Uganda.

Simon Colmer / Driver ants (Dorylus sp.) forming bridges to cross gap on rainforest floor, Budongo Forest Reserve, Uganda.

Simon Colmer / View up to rainforest canopy in semi-deciduous tropical rainforest, Budongo Forest Reserve, Uganda.

Simon Colmer / African Mahogany (Khaya anthotheca) close up of bark, Budongo Forest Reserve, Uganda. . This specimen is estimated to be over 400 years old and is thought to be one of the tallest remaining of its spe...

Simon Colmer / African Mahogany tree (Khaya anthotheca), Budongo Forest Reserve, Uganda. . This specimen is estimated to be over 400 years old and is thought to be one of the tallest remaining of its species in Ugan...

Simon Colmer / Semi-deciduous tropical rainforest, Budongo Forest Reserve, Uganda.

Simon Colmer / African Mahogany tree (Khaya anthotheca), Budongo Forest Reserve, Uganda. . This specimen is estimated to be over 400 years old and is thought to be one of the tallest remaining of its species in Ugan...

Simon Colmer / Buttress roots of Fig (Ficus) tree. Semi-deciduous tropical rainforest, Budongo Forest Reserve, Uganda.

Simon Colmer / Termite tunnel along the trunk up to a nest in the tree canopy, Budongo Forest Reserve, Uganda. The termites use this tunnel to protect them as they carry earth from the ground up to the top of the tr...

Simon Colmer / Silkrubber tree (Funtumia elastica) bark, Budongo Forest Reserve, Uganda. Bark has medicinal properties used to treat asthma, allergies and malaria.

Simon Colmer / Buttress roots of Fig (Ficus) tree in semi-deciduous tropical rainforest, Budongo Forest Reserve, Uganda.

Simon Colmer / Elephant damage on tree trunk - showing that elephants were once present in this forest, Budongo Forest Reserve, Uganda.

Simon Colmer / Termites (Isoptera) beginning to construct a mound using dead leaves as 'scaffolding', Budongo Forest Reserve, Uganda.

Simon Colmer / Termites (Isoptera) beginning to construct a mound using dead leaves as 'scaffolding', Budongo Forest Reserve, Uganda.

Simon Colmer / Termites (Isoptera) beginning to construct a mound using dead leaves as 'scaffolding', Budongo Forest Reserve, Uganda.

Simon Colmer / Eastern Common Chimpanzee (Pan troglodytes schweinfurthii) faeces. Budongo Forest Reserve, Uganda.

Simon Colmer / Eastern Common Chimpanzee (Pan troglodytes schweinfurthii) nest in tree. Budongo Forest Reserve, Uganda.

Simon Colmer / Eastern Common Chimpanzee (Pan troglodytes schweinfurthii) nest in tree. Budongo Forest Reserve, Uganda.

Simon Colmer / Eastern Common Chimpanzee (Pan troglodytes schweinfurthii) nest in tree. Budongo Forest Reserve, Uganda.

Simon Colmer / Eastern Common Chimpanzee (Pan troglodytes schweinfurthii) male. Budongo Forest Reserve, Uganda.

Simon Colmer / Eastern Common Chimpanzee (Pan troglodytes schweinfurthii) male. Budongo Forest Reserve, Uganda.

Simon Colmer / Eastern Common Chimpanzee (Pan troglodytes schweinfurthii) female. Budongo Forest Reserve, Uganda.

Simon Colmer / Eastern Common Chimpanzee (Pan troglodytes schweinfurthii) male, Budongo Forest Reserve, Uganda.

Simon Colmer / Eastern Common Chimpanzee (Pan troglodytes schweinfurthii) male and young female grooming, Budongo Forest Reserve, Uganda.

Simon Colmer / Uganda Ironwood tree (Cynometra alexandrii) has very dense hard wood. Budongo Forest Reserve, Uganda.

Simon Colmer / Uganda Ironwood (Cynometra alexandrii)tree seed pods eaten by chimpanzees, Budongo Forest Reserve, Uganda.

Simon Colmer / Epiphyte on tree trunk in semi-deciduous tropical rainforest, Budongo Forest Reserve, Uganda.

Simon Colmer / Guide looking into the rainforest canopy for chimpanzees, Budongo Forest Reserve, Uganda.

Simon Colmer / Semi-deciduous tropical rain forest at night, with Fireflies (Lampyridae) Budongo Forest Reserve, Uganda.

Simon Colmer / Liana in semi-deciduous tropical rain forest, Budongo Forest Reserve, Uganda.

Simon Colmer / Liana in semi-deciduous tropical rain forest, Budongo Forest Reserve, Uganda.

Simon Colmer / Elephant Stag Fern (Platycerium elephantotis). The young leaves of this plant are eaten by chimpanzees. Budongo Forest Reserve, Uganda.

Simon Colmer / Budongo Eco Lodge cabin, showing mosquito nests over the the beds, Budongo Forest Reserve, Uganda.

Simon Colmer / Budongo Eco Lodge cabin, showing mosquito nests over the the beds, Budongo Forest Reserve, Uganda.

Simon Colmer / Grasshoppers mating (Tettigonidae) Budongo Forest Reserve, Uganda.

Florian Möllers / Praying mantis (Mantidae) female producing ootheca (eggs) in high grass. Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / Dead butterfly clinging to twig after being killed by endoparasitoid fungus. Budongo Forest Reserve, Masindi, Uganda, Africa. Decmeber

Florian Möllers / Juvenile female Chimpanzee (Pan troglodytes schweinfurthii) lying on its back in a tree fork, looking down, Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / Rainforest of Budongo Forest Reserve and logged areas on both sides of the Royal Mile seen from Nyabyeya Hill at a cloudy sunrise. Budongo Forest Reserve, Masindi, Uganda, Africa. December 2006

Florian Möllers / Male Chimpanzee (Pan troglodytes schweinfurthii) "Duane" portrait. Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / Baby Chimpanzee (Pan troglodytes schweinfurthii) "James" (1 month) playing in a tree. Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / Wintering male Whinchat (Saxicola rubetra). Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / Baby Chimpanzee (Pan troglodytes schweinfurthii) "James" (1 month) playing in a tree. Budongo Forest Reserve, Masindi, Uganda, Africa. december

Florian Möllers / Female Chimpanzee (Pan troglodytes schweinfurthii) "Nambi", portrait. Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / Subadult male Chimpanzee (Pan troglodytes schweinfurthii) "Hawa" (13 years). Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / Female Garden butterfly (Acraea (Bematistes) ups alcinoe). Budongo Forest Reserve, Masindi, Uganda, Africa.

Florian Möllers / Female Chimpanzee (Pan troglodytes schweinfurthii) "Nambi", portrait. Budongo Forest Reserve, Masindi, Uganda, Africa. december

Florian Möllers / Juvenile female Chimpanzee (Pan troglodytes schweinfurthii) "Kumi" grooming adult female. Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / Yellow-bodied spider in her web. Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / Subadult male Chimpanzee (Pan troglodytes schweinfurthii) "Hawa" (13 years). Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / Male Chimpanzees (Pan troglodytes schweinfurthii) "Maani" (front) and "Kato" approaching in impressive posture, zoom-effect. Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / Liechtenstein's Night Adder (Causus lichtensteinii). Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / Subadult male Chimpanzee (Pan troglodytes schweinfurthii) "Kwezi" (11 years) feeding in Paper Mulberry (Broussonetia papyrifera) tree, close-up. Budongo Forest Reserve, Masindi, Uganda, Africa. Decemb...

Florian Möllers / Subadult male Chimpanzee (Pan troglodytes schweinfurthii) "Bob" (16 years) in his sleeping nest. Budongo Forest Reserve, Masindi, Uganda, Africa. december

Florian Möllers / Female Garden butterfly (Acraea (Bematistes) ups alcinoe). Budongo Forest Reserve, Masindi, Uganda, Africa.

Florian Möllers / Juvenile female Chimpanzee (Pan troglodytes schweinfurthii) "Night" (3 years) in Paper Mulberry (Broussonetia papyrifera) tree. Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / Aerial view of rainforest of Budongo Forest Reserve and logged areas on both sides of the Royal Mile seen from Nyabyeya Hill at a cloudy sunrise. Budongo Forest Reserve, Masindi, Uganda, Africa. Decem...

Florian Möllers / Female Chimpanzee (Pan troglodytes schweinfurthii) "Harriet". Budongo Forest Reserve, Masindi, Uganda, Africa. December 2006

Florian Möllers / Male Chimpanzee (Pan troglodytes schweinfurthii) "Tinka" (45+ years) grooming male "Zefa" on rainforest road. Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / Female Chimpanzee (Pan troglodytes schweinfurthii) "Lola" (18 years) with large genital swelling feeding on juvenile Red-Tail Monkey (Cercopithecus ascanius) in a tree. Budongo Forest Reserve, Masindi...

Florian Möllers / Subadult male Chimpanzee (Pan troglodytes schweinfurthii) "Musa" lying relaxed on rainforest floor, resting. Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / Male Redtail Monkey (Cercopithecus ascanius) in tree. Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / Subadult Chimpanzee (Pan troglodytes schweinfurthii) male "Musa" (15 years) sitting on fallen rainforest tree, close-up, portrait. Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / Subadult Chimpanzee (Pan troglodytes schweinfurthii) male "Musa" (15 years) sitting on fallen rainforest tree, close-up, portrait. Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / Member of the Snare Removal Unit at Budongo Conservation Field Station removes snare set for duikers and bush pig that could seriously harm or mutilate chimpanzees which might accidentially get caug...

Florian Möllers / Youg chimpanzee (Pan troglodytes schweinfurthii) "Night" (female, 3 years) resting in tree, holding on with arm, Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / Large black ground beetle (Broscinae, possibly Ochryopus gigas) with large mandibles on forest floor. Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / PhD student Zarin Machanda (Harvard University) and senior field assistant Geresomu Muhumuza tasting bitter food items of chimpanzees (Pan troglodytes schweinfurthii). Budongo Forest Reserve, Masindi,...

Florian Möllers / Male Chimpanzees (Pan troglodytes schweinfurthii) "Kato" (13 years, on left) and "Gashom" (18 years) sitting next to each other on a log in the rainforest. Budongo Forest Reserve, Masindi, Uganda, Afr...

Florian Möllers / Subadult male Chimpanzee (Pan troglodytes schweinfurthii) "Bob" (16 years) in his sleeping nest. Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / Black Wasp with prey (cricket) twice the size. Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / Male Chimpanzee (Pan troglodytes schweinfurthii) "Maani", portrait, close-up. Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / Simon Townsend, PhD student (University of St. Andrews) and field assistant Monday Gideon, Zarin Machanda, PhD student (Harvard University) and Senior field assistant Geresomu Muhumuza observing chimp...

Florian Möllers / Subadult Chimpanzee (Pan troglodytes schweinfurthii) male "Musa" (15 years) close-up of right hand and right foot. Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / Male Chimpanzee (Pan troglodytes schweinfurthii) "Bob" sitting on a log with erect penis. Budongo Forest Reserve, Masindi, Uganda, Africa. December

Florian Möllers / Liechtenstein's Night Adder (Causus lichtensteinii) on forest floor, Budongo Forest Reserve, Masindi, Uganda, Africa. December