Gary Bell/ Oceanwide / Cling Goby (Pleurosicya micheli) and coral polyps, Great Barrier Reef, Australia

SCOTLAND: The Big Picture / Birch trees (Betula sp) cling to the sides of a small river bank in Assynt, Scotland, UK, May.

Marie Read / Hairy woodpecker (Picoides villosus) male in snowstorm, Freeville, New York, USA, February.

Marie Read / Hairy woodpecker (Picoides villosus) male in snowstorm, Freeville, New York, USA, February.

Marie Read / Pileated woodpecker (Dryocopus pileatus) male excavating in search of food, New York, USA. Digital composite.

Marie Read / Pileated Woodpecker (Dryocopus pileatus) male, at feeding excavation in tree trunk in winter, Freeville, New York, USA, January.

Ashley Cooper / Windswept tree at Brimham Rocks, Nidderdale, Yorkshire, England, UK, October 2009.

Ashley Cooper / Man holding onto post during severe storm with hurricane force winds, Blackpool, England, UK, November 2007.

Julian Hume / View of Diamond Crater, Oahu, around 1000 years ago. King Kong finch (Chloridops regiskongi) flying past an Oahu palmcreeper (Ciridops sp) perched. Extinct 1892. Directly behind, an O'ahu O'o (Moho ap...

Jabruson Motion / THIS VIDEO CLIP WILL BE AVAILABLE TO VIEW ONLINE SOON. TO VIEW NOW, PLEASE CONTACT US. -Captive juvenile Grey-cheeked mangabey (Lophocebus albigena) in a village clinging to its owner, Dzanga-Ndoki Na...

Jabruson Motion / THIS VIDEO CLIP WILL BE AVAILABLE TO VIEW ONLINE SOON. TO VIEW NOW, PLEASE CONTACT US. -Captive juvenile Grey-cheeked mangabey (Lophocebus albigena) in a village clinging to its owner, Dzanga-Ndoki Na...

Fiona Rogers / Eastern Black-and-white Colobus (Colobus guereza) juvenile clinging to a tree trunk - portrait. Kakamega Forest National Reserve, Western Province, Kenya

Fiona Rogers / Eastern Black-and-white Colobus (Colobus guereza) clinging to the trunk of a small tree. Kakamega Forest South, Western Province, Kenya

Fiona Rogers / Southern or Sunda Pig-tailed macaque (Macaca nemestrina) female standing on a branch with her baby under her belly. Wild but used to being fed by local people. Gunung Leuser National Park, Sumatra, In...

Anup Shah / Eastern Black-and-white Colobus (Colobus guereza) clinging to the trunk of a small tree. Kakamega Forest South, Western Province, Kenya

Alex Mustard / Clinging jellyfish (Conionemus vertens) swimming in open water. The orange structures are reproductive organs. This species gets its name because it is able to cling to seagrass and algae. Browning Pa...

Jack Dykinga / Twisted roots of Bristlecone pine {Pinus aristata var. longaeva} cling to cliff edge at Rainbow Point, Bryce Canyon National Park, Utah, USA

Matthias Breiter / White Spruce (Picea glauca) covering a rise on the edge of a frozen lake Along the tundra-taiga ecotone isolated White Spruce cling on to live along lake shores, North America

Matthias Breiter / White Spruce (Picea glauca) covering a rise on the edge of a frozen lake Along the tundra-taiga ecotone isolated White Spruce cling on to live along lake shores, North America

Matthias Breiter / White Spruce (Picea glauca) covering a rise on the edge of a frozen lake Along the tundra-taiga ecotone isolated White Spruce cling on to live along lake shores, North America

Matthias Breiter / Lodgepole Pine (Larix laricina) standing on a rise on the edge of a frozen lake Along the tundra-taiga Ecotone, isolated stands of trees cling on to live along lake shores, North American Arctic

Matthias Breiter / White Spruce (Picea glauca) the evening sun illuminates a stand on the edge of a frozen lake Along the tundra-taiga ecotone, isolated White Spruce cling to life along lake shores, North America

Matthias Breiter / White Spruce (Picea glauca) the evening sun illuminates a stand on the edge of a frozen lake Along the tundra-taiga ecotone, isolated White Spruce cling to life along lake shores, North America

Mark Moffett / Canopy salamander, has a prehensile tail and extra sticky feet which help them cling to plants as they climb around in canopy tree tops, lowland rainforest, Peru

Gary Bell/ Oceanwide / Cling Goby (Pleurosicya micheli) and coral polyps, Great Barrier Reef, Australia

Morley Read / Common forest toads (Rhinella margaritifera) with juvenile There are several mites cling to the toad. These are phoretic , not feeding but waiting to be transported to another site. Yasuni National Pa...

Shane Gross / Bilobed ghost goby (Pleurosicya bilobata) with translucent skin hidden against Seagrass blade. Manado, North Sulawesi, Indonesia.

Nick Upton / Bat box with ridged wooden back panel for bats to cling to, nailed to a tree trunk in a garden, Wiltshire, UK, April.

Nick Hawkins / Cyamids (Cyamus sp.), also known as 'whale lice' cling to the calosity of a North Atlantic right whale (Eubalaena glacialis). Gulf of Saint Lawrence, Canada. June.