Wild Wonders of Europe / Lundgre / Sperm whales (Physeter macrocephalus) resting, Pico, Azores, Portugal, June 2009. BOOK & WWE OUTDOOR EXHIBITION.

Bernard Castelein / Coquerel's sifaka (Propithecus coquereli) in tree, relaxing, Ankarafantsika National Park, Madagascar

Suzi Eszterhas / Leopard (Panthera pardus) four-month-old cub in tree, Jao Reserve, Botswana

Ingo Arndt / Grizzly Bear (Ursus arctos horribilis) two cubs resting, Lake Clark National Park, Alaska, USA, August

Ingo Arndt / Gentoo Penguin (Pygoscelis papua) sleeping on beach, Volunteer Point, Falkland Islands, March

Mark MacEwen / Japanese macaque (Macaca fuscata) relaxing in hot spring in Jigokudani, Yaenkoen, Nagano, Japan, February.

Gavin Hellier / Buddhist monks relaxing at Ta Phrohm Temple, Angkor Wat, Siem Reap, Cambodia 2010. Model released.

Gavin Hellier / Two buddhist monks relaxing in the Bayon Temple, Angkor Wat, Siem Reap, Cambodia 2010. Model released.

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) juvenile male 'Mobangi' aged 5 years resting on a tree buttress, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. Nove...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) juvenile male 'Mobangi' aged 5 years sitting against a tree buttress, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic....

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) dominant male silverback 'Makumba' aged 32 years sitting portrait, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. De...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) juvenile male 'Mobangi' aged 5 years sitting portrait, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. December 2011.