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

Gerry Ellis / Western Lowland Gorilla (Gorilla gorilla gorilla) silverback, Limbe Wildlife Centre, Cameroon

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.

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

Chien Lee / Fan Palm (Licuala sp) trees in lowland rainforest, Nimbokrang, New Guinea, Indonesia

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

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

Chien Lee / Stream in lowland rainforest, Masoala National Park, Antsiranana, Madagascar

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.