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

Hedgehog (Erinaceinae), Devon, England, United Kingdom, Europe

Panther chameleon (Furcifer pardalis), Madagascar, Africa

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

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

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

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

The curled arm of a crinoid, Anilao, Philippines.

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

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

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

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

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.

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

Caucasian woman laying on concrete in fetal position

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

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

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

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

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

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

Red fox in snow, Yukon

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

Red fox laying in snow on a porch, Teslin, Yukon

Red fox laying in snow on a porch, Teslin, Yukon

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

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

The tail of a flap-necked chameleon, Chamaeleo dilepis

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

Close up of curled spaghetti

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