860-292713 - Schlegel's viper (Bothriechis schlegelii) venomous nocturnal adult curled up at rest on a branch, Costa Rica

1387-601 - The curled arm of a crinoid, Anilao, Philippines.

1112-9061 - Asian common toad (Duttaphyrnus melanostictus), at the memorial to Dr. Beat Richner, at night in Siem Reap, Cambodia, Indochina, Southeast Asia, Asia

1387-88 - A blackspotted puffer (Arothron nigropunctatus) curled up on the reef for the night, Philippines, Southeast Asia, Asia

1116-52870 - Mono, close-up portrait of a Cape Buffalo (Syncerus caffer) standing, eyeing camera in Segera, Segera, Laikipia, Kenya

1116-51956 - Close-up of an African bush elephant (Loxodonta africana) drinking from grassy waterhole with its trunk curled into its mouth on the savanna in Etosha National Park; Otavi, Oshikoto, Namibia

1116-51955 - Close-up of an African bush elephant (Loxodonta africana) drinking from grassy waterhole with its trunk curled into its mouth on the savanna in Etosha National Park; Otavi, Oshikoto, Namibia

1174-10714 - The tail of a flap-necked chameleon, Chamaeleo dilepis

1178-36309 - Caucasian woman laying on concrete in fetal position

1178-30340 - Close up of curled spaghetti

832-387960 - Pilot Fish (Naucrates ductor) swimming in front of mouth, reef manta ray (Mobula alfredi) with curled up head fins, Great Barrier Reef, Coral Sea, Pacific Ocean, Australia, Oceania

1116-46759 - Close Up Of A Crimson Amau Fern, Hawaii, United States Of America

1116-42788 - Close up of a fern opening a new leaf in springtime, Ohio united states of america

1174-4979 - A leopard, Panthera pardus, walks across a dirt road, looking away, tail curled up, Londolozi Game Reserve, Sabi Sands, Greater Kruger National Park, South Africa

1174-5107 - A leopard, Panthera pardus, stands on a sand road, alert, tail curled up, face in sunlight, greenery background, Londolozi Game Reserve, Sabi Sands, Greater Kruger National Park, South Africa

1174-5004 - A leopard's tail, Panthera pardus, curled up, dark rosettes on fur, in black and white, Londolozi Game Reserve, Sabi Sands, Greater Kruger National Park, South Africa

1116-39936 - A Reef Manta Ray (Manta alfredi), cruises over the shallows off the Kona Coast. This individual is not feeding and has curled up it's cephalic fins or lobes which, when extended, aid in capturing nutrients, Kona, Island of Hawaii, Hawaii, United States of

1185-255 - Mexican Red Knee Tarantula (Brachypelma Smithi), captive, Mexico, North America

803-230 - Close up of the traditional black faced Swaledale sheep found throughout the Yorkshire Dales, Yorkshire, England, United Kingdom, Europe

1185-116 - Hedgehog (Erinaceinae), Devon, England, United Kingdom, Europe

743-1267 - Hedgehog (Erinaceus europaeus) in autumn leaves, captive, United Kingdom, Europe

1131-13 - Panther chameleon (Furcifer pardalis), Madagascar, Africa

1116-25651 - Red fox laying in snow on a porch, Teslin, Yukon

1116-25652 - Red fox laying in snow on a porch, Teslin, Yukon

1116-25660 - Red fox in snow, Yukon

816-3597 - Koala (Phascolarctos cinereus) in the Townsville sanctuary, Queensland, Australia, Pacific

1198-557 - Veiled chameleon (chamaeleo calyptratus) close-up of curled-up tail, ground dwelling desert chameleon native to yemen

1198-112 - Adder (vipera berus) curled up on rock, view from above, peak district, uk

917-404 - Rissos Dolphin (Grampus griseus) adult and very young calf surfacing. Monterey, California, Pacific Ocean. MORE INFO: This calf still displays foetal folds from when it was curled up inside the womb. It is probably only a couple of weeks old.

970-69 - Snake Pipefish (Entelurus aequorus) in typical snake-like position with tail curled up, St Abbs, Scotland, UK North Sea

970-66 - Snake Pipefish (Entelurus aequorus) in typical snake-like position with tail curled up, St Abbs, Scotland, UK North Sea