Donald M. Jones / Mountain Pygmy-Owl (Glaucidium gnoma) regurgitating pellet, western Montana, sequence 1 of 3

Jussi Murtosaari / Speckled Wood (Pararge aegeria) male in habitat, Finland, April.

Christophe Courteau / Tourists and guide using snowshoes on an ecotourism trekking holiday, Svalbard, Norway, June, 2012. Model released.

Graham Eaton,Graham Eaton / A hatchling Leatherback Turtle (Dermochelys coriacea) nearing the waters edge, Cayenne, French Guiana

Terry Whittaker,Terry Whittaker / Water Vole (Arvicola amphibius) emerging from pipe at side of river, Kent, UK, December

Enrique Lopez-Tapia,Enrique Lopez-Tapia / Broad Peak base camp (4,960 m) at night, with K2 (8,611m) and the Godwin-Austen glacier in the background lit by moonlight, Central Karakoram National Park, Pakistan, June 2007. Winner of Photographer...

David Tipling / Aerial walkway through Rainforest canopy at Exploramo Lodge, Iquitos Region, Amazon, Peru

Andy Rouse,Andy Rouse / Ring tailed Lemurs (Lemur catta) silhouetted, Madagascar.

Igor Shpilenok,Igor Shpilenok / Kamchatka Brown Bear (Ursus arctos beringianus) recently risen from hibernation in the caldera of the Uzon Volcano. Kronotsky Zapovednik Nature Reserve, Kamchatka Peninsula, Russian Far East, April.

Steven David Miller / Johnston's crocodile (Crocodylus johnsoni) basking on log. Hartleys Crocodile Adventures, North Queensland, Australia. Captive.

Ingo Arndt / Four people skiing across snow pulling sledges, winter, Spitsbergen, Svalbard, Norway, April. 2016.

Ingo Arndt / Three people skiing across snow pulling sledges, winter, Spitsbergen, Svalbard, Norway, April. 2016.

Jen Guyton / Researcher weighing wild, habituated Meerkats (Suricata suricatta) at their burrow in the Kalahari Desert, South Africa. June 2010. Siena International Photo Awards 2021 Honorable mention - Journeys...