Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) sub-adult female 'Mosoko' aged 8 years crossing a river, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic

Guy Edwardes / Orange nectar bat (Lonchophylla robusta) feeding on a banana flower, lowland rainforest, Costa Rica. November.

Guy Edwardes / Two Pallas's long-tongued bats (Glossophaga soricina) feeding from banana flower, lowland rainforest, Costa Rica. November.

Guy Edwardes / Orange Nectar Bat (Lonchophylla robusta), lowland rainforest, Costa Rica. November.

Guy Edwardes / Brown tent-making bats (Uroderma magnirostrum) roosting under a palm leaf, lowland rainforest, Costa Rica. November.

Guy Edwardes / Pallas's long-tongued Bat (Glossophaga soricina) feeding from Flowering banana (Musa ornata), Lowland rainforest, Costa Rica. November.

Guy Edwardes / Pallas's long-tongued Bat (Glossophaga soricina) feeding from Calabash gourd flower (Crescentia cujete) , lowland rainforest, Costa Rica. November.

Guy Edwardes / Pallas's long-tongued bats (Glossophaga soricina) feeding from banana flower, lowland rainforest, Costa Rica. November.

Guy Edwardes / Pallas's long-tongued bats (Glossophaga soricina) feeding from banana flower, lowland rainforest, Costa Rica. November.

Guy Edwardes / Pallas's long-tongued Bat (Glossophaga soricina) feeding on Clock vine (Thunbergia mysorensis), lowland rainforest, Costa Rica. November.

Guy Edwardes / Orange nectar bat (Lonchophylla robusta) feeding on Little clamshell orchid (Prosthechea cochleata), lowland rainforest, Costa Rica. November.

Robert Valentic / Lowland blotched blue-tongue (Tiliqua nigrolutea) on a coastal bluff in the Bay of Fires region of north-eastern Tasmania, Australia, spring.

Phil Savoie / White tent making bat (Ectophylla alba) roosting in Heleconia leaf, La Selva Field Station, Costa Rica.

Jabruson Motion / Male Western gorilla (Gorilla gorilla) displaying, throws clump of grass into the air, runs through bai and hits other gorilla, Maya Nord Bai, Odzala-Kokoua National Park, Cuvette-Ouest Region, Republ...

Alex Hyde / Lowland tropical rainforest understory vegetation dominated by (Cyclanthaceae) plants, Osa Peninsula, Costa Rica

Jabruson Motion / Silverback Eastern lowland gorilla (Gorilla beringei graueri) 'Chimanuka' getting up to reach for a Myrianthus holstii fruit, nearby juvenile takes a leaf from his rear, Kahuzi-Biega National Park, So...

Jabruson Motion / Silverback Western lowland gorilla (Gorilla gorilla gorilla) feeding on grass in forest bai, Odzala-Kokoua National Park, Cuvette-Ouest, Republic of Congo.

Jabruson Motion / Silverback Western lowland gorilla (Gorilla gorilla gorilla) leaving bai for forest with female and infant, crossing river bipedally, Odzala-Kokoua National Park, Cuvette-Ouest, Republic of Congo.

Jabruson Motion / Close up of a female Western lowland gorilla (Gorilla gorilla gorilla) female feeding on grasses in bai, Odzala-Kokoua National Park, Cuvette-Ouest, Republic of Congo.

Jabruson Motion / Close-up of a blackback Western lowland gorilla (Gorilla gorilla gorilla) feeding, Odzala-Kokoua National Park, Cuvette-Ouest, Republic of Congo.

Jabruson Motion / Female Western lowland gorilla (Gorilla gorilla gorilla) with very young infant, interacts with another gorilla, Odzala-Kokoua National Park, Cuvette-Ouest, Republic of Congo.

Jabruson Motion / Female Western lowland gorilla (Gorilla gorilla gorilla) feeding with blackback in forest bai, Odzala-Kokoua National Park, Cuvette-Ouest, Republic of Congo.

Bence Mate / Lowland forest racer (Dendrophidion vinitor) Laguna del Lagarto, Santa Rita, Costa Rica

Edwin Giesbers / Western lowland gorilla (Gorilla gorilla gorilla) baby resting on mother's back, captive, occurs in Central Africa. Critically endangered.

Edwin Giesbers / Western lowland gorilla (Gorilla gorilla gorilla) twin babies age 45 days, resting on mother's chest, captive, occurs in Central Africa. Critically endangered.

Edwin Giesbers / Western lowland gorilla (Gorilla gorilla gorilla) twin babies age 45 days resting on mother's chest, one suckling. captive, occurs in Central Africa. Critically endangered.

Edwin Giesbers / Western lowland gorilla (Gorilla gorilla gorilla) twin babies age 45 days sleeping in mother's arms, captive, occurs in Central Africa. Critically endangered.

Edwin Giesbers / Western lowland gorilla (Gorilla gorilla gorilla) twin babies age 45 days sleeping on mother's chest, captive, occurs in Central Africa. Critically endangered.

Edwin Giesbers / Western lowland gorilla (Gorilla gorilla gorilla) twin babies age 45 days resting side by side in mother's arms, captive, occurs in Central Africa. Critically endangered.

Edwin Giesbers / Western lowland gorilla (Gorilla gorilla gorilla) baby riding on mother's back, captive, occurs in Central Africa. Critically endangered.

Jabruson Motion / Two juvenile Eastern lowland gorillas (Gorilla beringei graueri) playing, Kahuzi-Biega National Park, South Kivu, Democratic Republic of Congo.

Jabruson Motion / Silverback Eastern lowland gorilla (Gorilla beringei graueri) 'Chimanuka' grooming a juvenile female, shot pans to reveal other juveniles playing nearby, Kahuzi-Biega National Park, South Kivu, Democr...

Jabruson Motion / Close up of a silverback Eastern lowland gorilla (Gorilla beringei graueri) 'Chimanuka' grooming a juvenile female, Kahuzi-Biega National Park, South Kivu, Democratic Republic of Congo.

Jabruson Motion / Close up of a silverback Eastern lowland gorilla (Gorilla beringei graueri) 'Chimanuka' grooming a juvenile female, Kahuzi-Biega National Park, South Kivu, Democratic Republic of Congo.

Jabruson Motion / Juvenile Eastern lowland gorilla (Gorilla beringei graueri) playing with a stick and looking at the camera, Kahuzi-Biega National Park, South Kivu, Democratic Republic of Congo.

Jabruson Motion / Juvenile Eastern lowland gorilla (Gorilla beringei graueri) looking around, Kahuzi-Biega National Park, South Kivu, Democratic Republic of Congo.

Jabruson Motion / Close-up portrait of a juvenile Eastern lowland gorilla (Gorilla beringei graueri), Kahuzi-Biega National Park, South Kivu, Democratic Republic of Congo.

Jabruson Motion / Juvenile Eastern lowland gorillas (Gorilla beringei graueri) with a missing hand, rolling forward to join another, Kahuzi-Biega National Park, South Kivu, Democratic Republic of Congo.

Jabruson Motion / Juvenile Eastern lowland gorillas (Gorilla beringei graueri) playing near a silverback, Kahuzi-Biega National Park, South Kivu, Democratic Republic of Congo.

Jabruson Motion / Silverback Eastern lowland gorilla (Gorilla beringei graueri) 'Chimanuka' feeding in undergrowth, Kahuzi-Biega National Park, South Kivu, Democratic Republic of Congo.

Jabruson Motion / Close up of a silverback Eastern lowland gorilla (Gorilla beringei graueri) 'Chimanuka' feeding in undergrowth, Kahuzi-Biega National Park, South Kivu, Democratic Republic of Congo.

Jabruson Motion / Close up of a silverback Eastern lowland gorilla (Gorilla beringei graueri) 'Chimanuka' feeding in undergrowth, Kahuzi-Biega National Park, South Kivu, Democratic Republic of Congo.

Jabruson Motion / Juvenile Eastern lowland gorilla (Gorilla beringei graueri) looking up towards the canopy, Kahuzi-Biega National Park, South Kivu, Democratic Republic of Congo.

Jabruson Motion / Close up of a silverback Eastern lowland gorilla (Gorilla beringei graueri) 'Chimanuka' feeding in undergrowth, Kahuzi-Biega National Park, South Kivu, Democratic Republic of Congo.

Jabruson Motion / Close up of a silverback Eastern lowland gorilla (Gorilla beringei graueri) 'Chimanuka' feeding in undergrowth, Kahuzi-Biega National Park, South Kivu, Democratic Republic of Congo.

Konrad Wothe / View up into canopy with sun rays shining through the leaves, lowland rainforest, Panguana Reserve, Huanuco province, Amazon basin, Peru.

Cyril Ruoso / Western lowland gorilla (Gorilla gorilla gorilla) female suckling baby, captive at Monkey Valley Zoo. Non-ex

Konrad Wothe / Giant snail (Megalobulimus) in a lowland rainforest, Panguana Reserve, Huanuco Region, Peru.