Mark Payne-Gill / Three banded armadillo {Tolypeutes tricinctus} walking Captive, UK

Mark Payne-Gill / Three banded armadillo {Tolypeutes tricinctus} uncurling from defensive ball

Ingo Arndt / Close up of foot of Hoffmann's two toed sloth {Choloepus hoffmanni}

Ammonite / Northern tamandua (Tamandua mexicana) climbing down and falling out of tree, showing use of partially prehensile tail, Santa Rosa National Park, Costa Rica.

Ammonite / Northern tamandua (Tamandua mexicana) climbing down tree, showing use of partially prehensile tail, Santa Rosa National Park, Costa Rica.

Kevin Schafer / Giant Armadillo (Priodontes maximus), adult female standing and sniffing air. Pantanal, Brazil, October.

David Pattyn / Southern tamandua / Lesser anteataer (Tamandua tetradactyla) standing up in a defensive posture, Southern Pantanal, Brazil

Roland Seitre / Baby Giant Anteater (Myrmecophaga tridactyla) at two weeks, being fed by its keeper at Beauval Zoo, France. Endemic to South America. 2009.

Daniel Heuclin / Southern three-banded armadillo (Tolypeutes matacus) Gran Chaco, Bolivia. captive

Roland Seitre / Hoffman's Two Toed Sloth (Choloepus hoffmanni) being weighed and recorded. Aviarios del Caribe Sloth Refuge, Costa Rica, 2008.

Roland Seitre / Volunteer holding Hoffman's Two Toed Sloth (Choloepus hoffmanni) Aviarios del Caribe Sloth Refuge, Costa Rica, 2008.

Roland Seitre / Hoffmann's Two Toed Sloth (Choloepus hoffmanni) baby wrapped in cloth. Aviarios del Caribe Sloth Refuge, Costa Rica, 2008.

Roland Seitre / Brown-throated Three Toed Sloth (Bradypus variegatus) and Hoffmann's Two Toed Sloths (Choloepus hoffmanni) babies being fed. Aviarios del Caribe Sloth Refuge, Costa Rica, 2008.

Roland Seitre / Brown-throated Three Toed Sloth (Bradypus variegatus) and Hoffmann's Two Toed Sloths (Choloepus hoffmanni) babies held by orphanage owner, Judy Avey-Arroyo. Aviarios del Caribe Sloth Refuge, Costa Ric...

Luiz Claudio Marigo / People taking photographs of a Brown-throated Three-toed Sloth (Bradypus variegatus) in Parque Centenario, downtown Cartagena de Indias city, Magdalena Department, Colombia, February 2011.

Mark Bowler / Sequence of a Three-banded armadillo (Tolypeutes tricinctus) unrolling from defensive ball posture to walking. Captive.

Mark Bowler / Three-banded armadillo (Tolypeutes tricinctus) walking in profile. Captive. Endemic to Brazil. 6 of 6.

Mark Bowler / Three-banded Armadillo (Tolypeutes tricinctus) rolled up in defensive posture. Captive. Endemic to Brazil.

Mark Bowler / Three-banded Armadillo (Tolypeutes tricinctus) unrolling. Captive. Endemic to Brazil. 4 of 6.

Mark Bowler / Three-banded Armadillo (Tolypeutes tricinctus) about to roll-up, against a white background. Captive. Endemic to Brazil.

Bence Mate / Jacare / Yacare caiman (Caiman crocodilus yacare) with young armadillo prey ib its jaws. Pantanal, Brazil. WINNER: Eric Hosking Award portfolio image 3/6 - Wildlife Photographer of the Year 2010

Rolf Nussbaumer / Nine-banded Armadillo (Dasypus novemcinctus) in wildflower meadow standing on hind legs, scent detecting, Fennessey Ranch, Refugio, Coastal Bend, Texas, USA

Michael Pitts / Looking up at Three toed / Pale throated sloth {Bradypus tridactylus} swimming across mangrove channel, South America

Luiz Claudio Marigo / Giant anteater (Myrmecophaga tridactyla) Serra da Canastra National Park, Minas Gerais State, Southeastern Brazil. Endangered

Luiz Claudio Marigo / Giant anteater (Myrmecophaga tridactyla) Serra da Canastra National Park, Minas Gerais State, Southeastern Brazil. Endangered

Luiz Claudio Marigo / Giant anteater in grassland fire {Myremecophaga tridactyla} Emas NP, Brazil - composite image

Mike Wilkes / Giant ground pangolin curled up (Manis gigantea) Tanzania.

Gabriel Rojo / Nine banded armadillo {Dasyspus novemcinctus} Chaco habitat, Argentina

Gabriel Rojo / Two Giant armadillos asleep {Priodontes maximus} Argentina, endangered, captive

Gabriel Rojo / Giant armadillo sleeping {Priodontes maximus} captive Argentina, endangered

Pete Oxford / Giant anteater feeding from termite mound {Myrmecophaga tridactyla} captive occurs

Staffan Widstrand / Brownthroated / Three-toed sloth carrying young {Bradypus variegatus} Brazil.

Mark Payne-Gill / Three banded armadillo {Tolypeutes tricinctus} in defensive ball. Captive, UK

Mark Payne-Gill / Three banded armadillo {Tolypeutes tricinctus} in defensive ball. Captive, UK

Mark Payne-Gill / Three banded armadillo {Tolypeutes tricinctus} walking after uncurling from defensive ball

Mark Payne-Gill / Three banded armadillo {Tolypeutes tricinctus} in defensive ball. Captive, UK

Pete Oxford / Pygmy anteater {Cyclopes didactylus} Guyana, South America

Anup Shah / Profile portrait of Southern tamandua {also know as Lesser Anteater} native to South America

Anup Shah / Close up of Hoffmann's two toed sloth limbs and claws {Choloepus hoffmanni} species native to South America

Pete Oxford / Brown throated three toed sloth {Bradypus variegatus} climbing tree. Amazon, Brazil

Mark Payne-Gill / Three banded armadillo {Tolypeutes tricinctus} rolling up into / unrolling from a ball for defense, captive

Ross Couper-Johnston / Decorated Indian elephant led in festival procession, Kerala, Southern India

Juergen Freund / Dugong foraging on seabed. Indo-Pacific

Pete Oxford / Pygmy anteater resting {Cyclopes didactylus} Guyana, South America. Note claws for climbing

Anup Shah / Southern tamandua (or Lesser Anteater) native to South America

Pete Oxford / Temminck's ground pangolin {Manis temmincki} rolled in defensive ball Africa

Mark Payne-Gill / Three banded armadillo rolling up into defensive ball {Tolypeutes tricinctus}. Very tough skin consists of double layer of horn and bone

Mark Payne-Gill / Three banded armadillo rolling up into defensive ball {Tolypeutes tricinctus}

Mark Payne-Gill / Three banded armadillo rolls up in defensive ball {Tolypeutes tricinctus}

Pete Oxford / Brown throated sloth with young hanging from branch. {Bradypus variegatus} Brazil, South America

Gabriel Rojo / Giant armadillo {Priodontes maximus} Tatu Carreta, Chaco, Argentina, South America

Gabriel Rojo / Giant armadillo {Priodontes maximus} Tatu Carreta, Chaco, Argentina, South America

Staffan Widstrand / Brownthroated / Three-toed sloth carrying young up tree {Bradypus variegatus} Rio Negro, Brazil, South America

Mark Payne-Gill / Brazilian three banded armadillos rolled up in defensive ball {Tolypeutes tricinctus} - head and back view. Articulated tough skin in hinged bands allow flexibility

Ingo Arndt / Brown-throated three-toed sloth (Bradypus variegatus) on branch above river in rainforest, Peru

Ingo Arndt / Brown-throated three-toed sloth (Bradypus variegatus) hanging from branch above river in rainforest, Peru

Ingo Arndt / Close up of foot of Hoffmann's two toed sloth {Choloepus hoffmanni}

Francois Savigny / Indian pangolin {Manis crassicaudata} Bandhavgarh NP, Madhya Pradesh India

Luiz Claudio Marigo / Three-banded Armadillo (Tolypeutes tricinctus) looking out of termite mound, cerrado of Piaui State, Northeastern Brazil.

Luiz Claudio Marigo / Three-banded Armadillo (Tolypeutes tricinctus) foraging in termite mound, cerrado of Piaui State, Northeastern Brazil.

Luiz Claudio Marigo / Three-banded Armadillo (Tolypeutes tricinctus) leaving termite mound, cerrado of Piaui State, Northeastern Brazil.

Luiz Claudio Marigo / Three-banded Armadillo (Tolypeutes tricinctus) in termite mound, cerrado of Piaui State, Northeastern Brazil.

Luiz Claudio Marigo / Three-banded Armadillo (Tolypeutes tricinctus) foraging in termite mound, cerrado of Piaui State, Northeastern Brazil.

Luiz Claudio Marigo / Three-banded Armadillo (Tolypeutes tricinctus) emerging from defensive ball, cerrado of Piaui State, Northeastern Brazil.

Luiz Claudio Marigo / Three-banded Armadillo (Tolypeutes tricinctus) curled in to a defensive ball, cerrado of Piaui State, Northeastern Brazil.

Luiz Claudio Marigo / Three-banded Armadillo (Tolypeutes tricinctus) Cerrado of Piaui State, Northeastern Brazil.

David Tipling / Southern Tamandua (Tamandua tetradactyla) Tambopata, Peru

Denis-Huot / Brown-throated sloth (Bradypus variegatus) climbing, Hacienda Baru, Costa Rica

Denis-Huot / Lesser anteater (Tamandua mexicana) Corcovado National Park, Costa rica

Mark MacEwen / Giant anteater (Myrmecophaga tridactyla) in grasslands, Argentina

Hermann Brehm / Southern Tamandua (Tamandua tetradactyla) investigating termite mound, Pantanal, Brazil

Hermann Brehm / Southern Tamandua (Tamandua tetradactyla) investigating termite mound, Pantanal, Brazil

Hermann Brehm / Southern Tamandua (Tamandua tetradactyla) investigating termite mound, Pantanal, Brazil

Hermann Brehm / Southern Tamandua (Tamandua tetradactyla) investigating termite mound, Pantanal, Brazil

Hermann Brehm / Southern Tamandua (Tamandua tetradactyla) investigating termite mound, Pantanal, Brazil

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) caretaker, Claire Trimer, holding orphan baby, Aviarios Sloth Sanctuary, Costa Rica. Model released

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) orphan baby feeding on leaves in Aviarios Sloth Sanctuary, Costa Rica

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni)orphan baby being weighed, Aviarios Sloth Sanctuary, Costa Rica

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) orphan baby clinging to person's hand, Aviarios Sloth Sanctuary, Costa Rica

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) orphan baby clinging to person's arms, Aviarios Sloth Sanctuary, Costa Rica

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) portrait of orphan juvenile, Aviarios Sloth Sanctuary, Costa Rica

Suzi Eszterhas / Hoffmann's Two-toed sloths (Choloepus hoffmanni) two orphan babies in Aviarios Sloth Sanctuary, Costa Rica

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) 6 month orphan eating leaf, Aviarios Sloth Sanctuary, Costa Rica

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) climbing a tree within Aviarios Sloth Sanctuary, Costa Rica

Suzi Eszterhas / Brown throated Three-toed Sloth (Bradypus variegatus) owner of sloth sanctuary, Judy Avey-Arroyo, feeding cecropia seed pod to 2 month orphan baby, Aviarios Sloth Sanctuary, Costa Rica. Model release...

Suzi Eszterhas / Brown throated Three-toed Sloth (Bradypus variegatus) Judy Avey-Arroyo, Sanctuary Owner, feeding Cecropia leaf to 2 month orpha baby Aviarios Sloth Sanctuary, Costa Rica. Model released

Suzi Eszterhas / Brown throated Three-toed Sloth (Bradypus variegatus) Judy Avey-Arroyo, Sanctuary Owner, administering rehydration fluids to 2 month orphan baby, Aviarios Sloth Sanctuary, Costa Rica. Model released

Suzi Eszterhas / Brown throated Three-toed Sloth (Bradypus variegatus) 2 month orphan sloth with Judy Avey-Arroyo, Sanctuary Owner, Aviarios Sloth Sanctuary, Costa Rica. Model released

Suzi Eszterhas / Brown throated Three-toed Sloth (Bradypus variegatus) 2 day newborn orphan sloth bottle fed by Judy Avey-Arroyo, Sanctuary Owner, Aviarios Sloth Sanctuary, Costa Rica. Model released

Suzi Eszterhas / Brown throated Three-toed Sloth (Bradypus variegatus) faeces on ground, they defecate at the bottom of trees, one of the only times they come to the ground, Aviarios Sloth Sanctuary, Costa Rica

Suzi Eszterhas / Brown throated Three-toed Sloth (Bradypus variegatus) having 'daily diary' transmitter attached by research student, Rebecca Cliffe, Aviarios Sloth Sanctuary, Costa Rica. Model released

Suzi Eszterhas / Brown throated Three-toed Sloth (Bradypus variegatus) rehabilitated individual being released back into the wild by rescue worker, Santiago Chaggo, Aviarios Sloth Sanctuary, Costa Rica Model released

Suzi Eszterhas / Brown throated Three-toed Sloth (Bradypus variegatus) 'Buttercup' the sloth ambassador rescued orphan in Aviarios Sloth Sanctuary, Costa Rica

Suzi Eszterhas / Brown throated Three-toed Sloth ( Bradypus variegatus) male reaching to branch, Aviarios Sloth Sanctuary, Costa Rica

Suzi Eszterhas / Brown throated Three-toed Sloth (Bradypus variegatus) male climbing wall, Aviarios Sloth Sanctuary, Costa Rica