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