Juan Carlos Munoz / Northern tamandua (Tamandua mexicana) climbing tree, Corcovado National Park, Osa Peninsula, Puntarenas Province, Costa Rica.

Staffan Widstrand / Two Svalbard reindeer (Rangifer tarandus platyrhynchus) fighting; antlers shedding velvet; Spitsbergen, Svalbard, Norway, September

Adrian Davies / Cape Sundew (Drosera capensis) with captured fly. Note how leaf has rolled over the prey.

Jan Hamrsky / Black fly pupae (Simuliidae) attached to the stem of aquatic plant, Europe, August, controlled conditions

Jeff Rotman / Spotted eagle ray (Aetobatus narinari), underside, Natal Coast, South Africa.

Lisa Hoffner / A baby orphan Elephant (Loxodonta africana) leaning against the rump of its friend. David Sheldrick Wildlife Trust Nairobi Elephant Nursery, Kenya, August 2010.

Lassi Rautiainen / Black woodpecker (Dryocopus martius) male feeding on tree trunk with beak open showing tongue, Finland, March

Alex Mustard / Female Grey seal (Halichoerus grypus) tangled in a discarded fishing net, Lundy Island, Devon, England, UK, July 2010.

Stephen Dalton / Fly trapped in Venus flytrap {Dionaea muscipula}

Stephen Dalton / Ant caught on Sundew plant {Drosera sp} UK

Nigel Cattlin / Sundew (Drosera binata dichotoma), close-up of Fly (Diptera) stuck to sticky glandular trichomes / hairs of leaf.

Sean Crane / Leatherback Sea Turtle (Dermochelys coriacea) hatchling stuck in sand, Grande Riviere, Trinidad, Caribbean

Ashley Cooper / Four by four abandoned in massive snow drifts blocking the Kirkstone Pass road above Ambleside, Lake District, England, UK March 2013

Brian Bevan / Grey seal (Halichoerus grypus) tangled up in a fishing net, Norfolk, England, UK, January.

Frederique Olivier / Gentoo penguin (Pygoscelis papua) tripping up after catching its foot in seaweed, Macquarie Island, Australian Antarctica.

Erlend Haarberg / Red squirrel (Sciurus vulgaris), Stora Sjofallet National Park, Laponia, Lapland, Sweden, September.

John Cancalosi / Green frog (Rana clamitans), Washington DC, USA, September.

Constantinos Petrinos / Striped eel catfish (Plotosus lineatus) adult males fighting trying to bite each other's head. Lembeh Strait, North Sulawesi, Indonesia.

Pascal Kobeh / Honeycomb moray (Gymnothorax favagineus) trapped in a fisherman's trap, Daymaniyat islands, Oman. Gulf of Oman.

Eric Baccega / Close-up of Slow worm (Anguis fragilis) with its body coiled, Alsace, France, May.

Andy Rouse / Giant Panda (Ailuropoda melanoleuca) cub climbing tree. Chengdu, China. Captive.

Eric Baccega / Common hamster (Cricetus cricetus) in its burrow, Alsace, France, April, captive

Ann & Steve Toon / Hedgehog (Erinaceus europaeus) can get its head stuck in discarded plastic can holder. Set-up shot with captive animal, UK, July

Ann & Steve Toon / Hedgehogs (Erinaceus europaeus) can get their head stuck in discarded plastic can holder. Set-up shot with captive animal

Yva Momatiuk & John Eastcott / Antarctic Fur Seal (Arctocephalus gazella) bull with moulted penguin feathers stuck to its wet fur, Right Whale Bay, South Georgia Island

Yva Momatiuk & John Eastcott / Antarctic Fur Seal (Arctocephalus gazella) bull with moulted penguin feathers stuck to its wet fur, Right Whale Bay, South Georgia Island

Jane Burton / European Hedgehog {Erinaceus europaeus} 14 weeks old, rolls over with rotten apple stuck on her prickles. Its weight makes her curl up into a ball, but she huffs and jerks until it falls off, captive,...

Christian Ziegler / Red-eyed Tree Frog (Agalychnis callidryas) egg clutches are stuck to the underside of leaves overhanging water when the tadpoles hatch they drop into the water below, Barro Colorado Island, Panama

Yva Momatiuk & John Eastcott / Grizzly Bear (Ursus arctos horribilis) young female with porcupine quills stuck in lip, Denali National Park and Preserve, Alaska

Sean Crane / Leatherback Sea Turtle (Dermochelys coriacea) hatchling stuck in sand, Grande Riviere, Trinidad, Caribbean

Roberto Rinaldi / Four-wheel-drive pick up truck stuck in the mud on dirt road, central Babelthaup, Palau. Micronesia.

Emanuele Biggi / Land hermit crab (Coenobita sp.) wandering around at night among mangroves, using a plastic cap from a deodorant instead of a shell, with a discarded plastic bottle stuck in mangrove roots behind, Pom...

Ugo Mellone / South Andean deer (Hippocamelus bisulcus), adult female with seed stuck to forehead, portrait. Bernardo O'Higgins National Park, Patagonia, Chile. February.

Doug Wechsler / Robber fly (Leptogaster sp.) tangled up with another predatory fly in a spider's web, Camp Woods Preserve, Pennsylvania, USA. July.

Roland Seitre / White-tailed Tropicbird (Phaethon lepturus) with Grand Devil's-claws (Pisonia grandis) seeds stuck to it, this may lead to death, but is used by the seed for dispersal, Seychelles

Adrian Davies / Venus fly trap (Dionaea muscipula) with a trapped fly. Controlled conditions.

Nick Upton / Common butterwort (Pinguicula vulgaris) leaf with a small fly trapped by the sticky droplets this carnivorous plant exudes from glandular hairs, Cwm Cadlan National Nature Reserve, Brecon Beacons, Wal...

Nick Upton / Common butterwort (Pinguicula vulgaris) leaf with a Red ant (Myrmica sp.) trapped by the sticky droplets this carnivorous plant exudes from glandular hairs, Cwm Cadlan National Nature Reserve, Brecon...

Sirachai Arunrugstichai / Under dim red light, marine biologist and park officials dig up the nest of a Leatherback sea turtle (Dermochelys coriacea) uncovering the hatchlings that were stuck in hard sand, prior to them into t...

Nick Upton / Slow motion shot of a female Willoughby's leafcutter bee (Megachile willughbiella) flying to its nest in an insect hotel, with pollen stuck to the long hairs under its abdomen, Wiltshire, England, UK,...