Jack Dykinga / Ancient Bristlecone Pine Forest with twisted limbs of Bristlecone pine (Pinus longaeva) at dawn on the White Mountains, Inyo National Forest, California, USA.

Andres M. Dominguez / Cork trees (Quercus suber) stripped of bark, in forest. Los Alcornocales Natural Park, Cortes de la Frontera, southern Spain, November.

Andres M. Dominguez / Ferns on the forest floor with Cork trees (Quercus suber )stripped of bark in the background, Los Alcornocales Natural Park, southern Spain, November

Marie Lochman / Karri (Eucalyptus diversicolor), third tallest tree in the world, Western Australian endemic plant, D'Entrecasteaux National Park, April 2017

Sven Zacek / Ural owl (Strix uralensis) female on nest after snowfall. Tartumaa, Southern Estonia. March.

Matthew Maran / Beaver (Castor fibre) female feeding on willow bark with her two kits, River Otter, Devon, England, UK, July. Highly commended in the Habitat category of the British Wildlife Photography Awards (BWPA)...

SCOTLAND: The Big Picture / Red squirrel (Sciurus vulgaris) climbing down Scots pine tree, just tail visible. Cairngorms National Park, Highlands, Scotland. August.

Floris van Breugel / Bristlecone pine (Pinus aristata) abstract view of exposed and weathered wood layers, White Mountains, California, USA July

Floris van Breugel / Manzanita (Arctostaphylos glauca) bark detail, San Gabriel Mountains, California, USA February

Claudio Contreras / Red-bellied Squirrel (Sciurus aureogaster) peering round branch, Mexico City, Mexico, November.

MYN / Gil Wizen / Two-tailed spider (Hersilia caudata) female, Central Coastal Plain, Israel, June. meetyourneighbours.net project

Gabriel Rojo / White-banded tree-frog (Hypsiboas pulchellus) with Ladybird (Coccinellidae) Calden forest, La Pampa, Argentina

David Noton / Autumnal foliage of Fireweed (Epilobium angustifolium) Kluane National Park, Yukon Territories, Canada, September.

Sam Hobson / Northern goshawk (Accipiter gentilis), recently fledged juvenile with feral pigeon prey. Berlin, Germany, July. Nominated in the Melvita Nature Images Awards competition 2014.

Erlend Haarberg / Stoat (Mustela erminea) in white winter coat. Vauldalen, Sor-Trondelag, Norway, April.

Jabruson / Giant Bokoko / Mututtu tree (Klainedoxa gabonensis) near Lokoue Bai, Odzala-Kokoua National Park, Republic of Congo.

Ingo Arndt / Caddisfly (Limnephilidae) case built out of sticks and bark fragments, Germany, November.

Ingo Arndt / Bark beetle (Scolytinae) galleries in dead spruce tree (Picea abies), Bayerischer Wald / Bavarian Forest National Park, Germany., June.

Jussi Murtosaari / Timberman beetle (Acanthocinus aedili) showing antennae which are four times the length of its body, central Finland, May.

Jussi Murtosaari / European brown bear (Ursus arctos arctos) young cub, northern Finland, July.

David Pattyn / Western Red Cedar trees (Thuja plicata) in temperate rainforest. Cathedral grove in MacMillan provincial park, Vancouver Island, British Columbia, Canada, August.

Andy Trowbridge / Pine marten (Martes martes) juvenile male looking around pine tree. Molde, Central Norway, September.

Robin Chittenden / European robin (Erithacus rubecula) perched on branch, Norwich, Norfolk, UK, July.

Sven Zacek / Tawny owl (Strix aluco) peering out of its nest hole in tree, Southern Estonia, February.

Sandesh Kadur / A vine growing on Eucalyptus bark, Tompotika Peninsula, Sulawesi, Indonesia.

Sandesh Kadur / Clouded leopard (Neofelis nebulosa) walking along fallen tree trunk, Assam, India, captive. Vulnerable species.

Yukihiro Fukuda / Ancient tree, Yakushima Island, UNESCO World Heritage Site, Kagoshima Japan, June 2008

Inaki Relanzon / Giant Sequoia (Sequoiadendron giganteum) in Sequoia National Park, California, USA.

Paul Harcourt Davies / Emperor Moth (Saturnia pavoniella) male, on tree bark, Orvieto, Umbria, Italy, April

Sven Zacek / Trees that have been gnawed by Beavers (Castor fiber) Southern Estonia, October.

Peter Cairns / 2020VISION / Two Scots pine trees (Pinus sylvestris) silhouetted at sunset, Glen Affric, Scotland, UK, October 2012. Did you know? The bark of a Scots pine tree can be up to 5 centimetres thick.

Jack Dykinga / Bark patterns of Aspen tree (Populus tremula) in front of a Ponderosa pine (Pinus ponderosa) trunk, Kaibab National Forest, Arizona, USA

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) juvenile male 'Tembo' aged 4 years stripping the bark of a spiny branch to feed on the core, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Ce...

Matthew Maran / Base of large Oak tree in Richmond Park, London, UK March 2012

Sandra Bartocha / English oaks (Quercus robur) trees with snow on trunks, Gespensterwald / Ghost wood, Nienhagen, Germany, January

Nick Upton / Double decker bus passing peeling bark of pollution resistant London Plane Tree (Platanus x hispanica), Euston Road, London, UK, May. 2012. No release available.

Andy Rouse / Paperbark or Tea Tree (Melaleuca quinquenervia) forest at sunset, Bamarru Plains, North West Territory, Australia, April 2007

Uri Golman / Asiatic lion cub (Panthera leo persica) looking up into tree, possibly at a bird, Gir Forest NP, Gujarat, India

Tom Struhsaker / Uganda Red Colobus Monkey (Procolobus rufomitratus tephrosceles) by stripped tree bark she is feeding on. Kanyawara, Kibale National Park, Uganda.

Tom Struhsaker / Uganda Red Colobus Monkey (Procolobus rufomitratus tephrosceles) medium sized juvenile stripping and feeding on bark of bottle brush (Callistemon citrinus). Kanyawara, Kibale National Park, Uganda.

Colin Varndell / Scots pine (Pinus sylvestris) trunks, Arne, Dorset, UK, Sptember

Alex Hyde / Dead leaf mantis (Deroplatys dessicata) hanging upside down from twig, photographed against a white background, orginating from South East Asia. Captive.

Niall Benvie / Composite of nine images of close ups of lichen and moss on bark of European Beech tree (Fagus sylvatica) Scotland, UK

Rob Tilley / Rainbow Eucalyptus (Eucalyptus sp.) bark detail. Maui, Hawaii, February.

Nick Upton / Great capricorn / Great oak longhorn beetle (Cerambyx cerdo), one of the largest beetles in Europe, on tree trunk, Lesbos (Lesvos), Greece, June.

Mark Hamblin / 2020VISION / Close up of hands of woman 'hugging' Scots pine tree (Pinus sylvestris), Abernethy Forest, Cairngorms National Park, Scotland, UK, August 2010, Model released. 2020VISION Book Plate. Did you know? The...

Kirkendall-Spring / Rows of pine trees in Pine forest plantation along Highway 203, Applin County, Georgia, USA, November 2008