Juergen Freund / Saltwater crocodile (Crocodylus porosus) jumping out of water to catch dangling bait in Hartley's Creek crocodile farm, Queensland, Australia

Gabriel Rojo / Jaguar (Panthera onca) sleeping in tree, legs dangling down. Cuiaba River, Pantanal, Mato Grosso, Brazil. September.

Felis Images / Indian leopard (Panthera pardus fusca), two resting in tree, legs dangling down. Nagarhole National Park, India. Photo Phillip Ross/Felis Images

Steven David Miller / An Apostlebird (Struthidea cinerea) dangling upside down from a tree branch, Cania Gorge National Park, Queensland, Australia. Others from the group are on the ground. September.

Fiona Rogers / Silvered / silver-leaf langur (Trachypithecus cristatus) female sitting in a tree dangling her orange coloured young baby aged 1-2 weeks. Bako National Park, Sarawak, Borneo, Malaysia.

Lou Coetzer / Four African jacana (Actophilornis africana) chicks legs dangling from under male's wing, Chobe River, Botswana.

Tom Gilks / Dangling feet of man harvesting Khat tree (Catha edulis) Meru, Kenya

Anup Shah / Sumatran orangutan (Pongo abelii) female 'Sandra' aged 22 years and baby daughter 'Sandri' aged 1-2 years hanging from a tree. Gunung Leuser National Park, Sumatra, Indonesia. Rehabilitated and releas...

Andy Rouse / Verreaux Sifaka (Propithecus verreauxi) hanging from tree, in forest Madagascar

Andy Rouse / Verreaux Sifaka (Propithecus verreauxi) hanging from tree, Madagascar

Roland Seitre / Small Lifu white eye (Zosterops minutus) hanging upside down, We, Lifou, Loyalty Islands Province, New Caledonia.

Roland Seitre / Uvea Parakeet (Eunymphicus uvaeensis) hanging upside down from branch, Gossanah, Ouvea, Loyalty Islands Province, New Caledonia

Roland Seitre / Goliath Imperial Pigeon (Ducula goliath) feeding on fruit, Touaourou mission,Yate, South Province, New Caledonia.

Roland Seitre / Goliath Imperial Pigeon (Ducula goliath) feeding on fruit, Touaourou mission,Yate, South Province, New Caledonia.

Christophe Courteau / Close-up of wild chimpanzee (Pan troglodytes schweinfurthii) feet / hands dangling, Kibale National Park, Uganda

Nick Upton / London Plane Tree (Platanus x hispanica) with dangling fruits overhanging the River Thames with the London Eye and a double decker bus crossing Lambeth Bridge in the background, London, UK, May. 2012

Nick Upton / London Plane Tree (Platanus x hispanica) with dangling fruits overhanging the River Thames with the London Eye in the background, London, UK, May. 2012

Shibai Xiao / Big head snake (Boiga kraepelini) in tree dangling down from branch looking towards camera, Bawangling National Nature Reserve, Hainan Island, China.

Billy Black / Woman dangling her legs over the side of a Sunsail yacht sailing in the British Virgin Islands, March 2006. Model and property released.

David Welling / Illinois River Cruiser Dragonfly (Macromia illinoisensis) dangling from a branch. Southeast Metropolitan Park, Travis County, Texas, USA, June.

Suzi Eszterhas / Sumatran Orangutan (Pongo abelii) one and a half year old baby dangling from tree branch, Gunung Leuser National Park, north Sumatra, Indonesia

Flip Nicklin / Humpback Whale (Megaptera novaeangliae) below hydrophone dangling from research boat, Maui, Hawaii - notice must accompany publication; photo obtained under NMFS permit 0753-1599

Juergen Freund / Saltwater crocodile (Crocodylus porosus) jumps out of water trying to catch dangling bait. Queensland, Australia.

Juergen Freund / Saltwater crocodile (Crocodylus porosus) jumping out of water to catch dangling bait in Hartley's Creek crocodile farm, seen from adventure boat. Queensland, Australia

Paul D Stewart / Early Lithographic print by Honegger drawn by Fuchs, from Dr. Shinz, 'Naturgeschichte und Abbilldungen des Menschen der verschiedenen' 1827/1840, with hand colouring. A trio of Papua New Guinea men wi...

Onne van der Wal / Woman sat on the stern of a cruising yachts dangling her toes in the water, Bahamas.

Onne van der Wal / Underwater view of an anchored motorboat, with two children dangling their legs over the side, Bahamas.

Florian Möllers / Golden Snub-nosed Monkey (Rhinopithecus roxellana qinlingensis), juvenile dangling from liana in front of cliff face with yellow flowers. Zhouzhi Nature Reserve, Shaanxi, China, October.

Flip Nicklin / Humpback Whale (Megaptera novaeangliae) near hydrophone dangling from research boat, Maui, Hawaii - notice must accompany publication; photo obtained under NMFS permit 0753-1599

Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) female, in flight carrying pup, aged 4-5 weeks. The mother has lost hold of the pup which is just gripping on with its feet, Myuna Wetlands, Doveton, Vi...

Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) female, in flight carrying pup, aged 4-5 weeks. The mother has lost hold of the pup which is just gripping on with its feet, Myuna Wetlands, Doveton, Vi...

Nick Upton / Weeping blue broom (Psoralia fleta) in flower, Mediterranean biome dome, The Eden Project, Cornwall, UK, April. Native to East and South Africa.

Nick Upton / Trailing Lily (Bomarea multiflora) in flower, Mediterranean biome, The Eden Project, Cornwall, UK, April. Native to Colombia and Ecuador.

Roman Willi / Northern tamandua (Tamandua mexicana) juvenile sleeping on a branch swaying in the wind, Osa Peninsula, Costa Rica. February.

Ross Hoddinott / Bluebell (Hyacinthoides non-scripta) flowers in evening light, Valency Valley, Boscastle, Cornwall, UK. April.

Ross Hoddinott / Snowdrops (Galanthus nivalis) flowering in woodland at dusk, Broxwater, Cornwall, UK. February. Double exposure.

Doug Wechsler / Group of Forest midges (Cecidomyiidae) resting on spider silk, Pennsylvania, USA.

David Tipling / Bank vole (Myodes glareolus) dangling from a bird feeder in garden, Norfolk, UK. September.

Jiri Lochman / Delicate mouse (Pseudomys delicatulus) feeding on Flame grevillea (Grevillea eriostachya) nectar, Great Sandy Desert, Western Australia.

Lorraine Bennery / Sawfly (Tenthredinidae) larvae hanging from a leaf, feeding, Loiret, France. September.

Lorraine Bennery / Sawfly (Tenthredinidae) larvae hanging from a leaf, feeding, Loiret, France. September.

Alex Hyde / European cave spider (Meta menardi) pendulous egg sac containing its brood of young, hanging in cave, Peak District National Park, Derbyshire. November.

Jeff Foott / European Carp (Cyprinus carpio), invasive species, Dangling Rope Marina, Lake Powell, Glen Canyon National Recreation Area, Arizona

Jeff Foott / European Carp (Cyprinus carpio), invasive species, Dangling Rope Marina, Lake Powell, Glen Canyon National Recreation Area, Arizona

Eric Baccega / Infant Chimpanzee (Pan troglodytes troglodytes) climbing in tree, Conkouati-Douli National Park, Republic of Congo, Africa.

Alex Hyde / Tiger Leech (Haemadipsa picta) dangling from leaf tip awaiting a host to suck blood from. Danum Valley, Sabah, Borneo.