Chien Lee / Amazon Horned Frog (Ceratophrys cornuta), Yasuni National Park, Ecuador

Lucas Bustamante / Pinocchio lizard (Anolis proboscis) male on stem, Mindo, Pichincha, Ecuador, Endangered species.

Brian Bevan / Surinam horned frog (Ceratophrys cornuta) eating a locust, UK. Captive, native to the Americas.

Steve Downer / Desert locust (Schistocerca gregaria) feeding on grass, controlled conditions.

Ingo Arndt / Adult Egyptian Locust (Anacridium aegyptium) emerging from nymphal skin, captive, Africa. Winner of Fritz Polking portfolio prize, GDT 2012 competition.

Ingo Arndt / Egyptian locust (Anacridium aegyptium) first instars hatching from ground, captive, from Africa.

Avijan Saha/ BIA / Indian Rhinoceros (Rhinoceros unicornis) crossing road, Jaldapara National Park, India

Chien Lee / Asian Horned Frog (Megophrys nasuta) female, Gunung Penrissen, Sarawak, Borneo, Malaysia

Solvin Zankl / Common fangtooth (Anoplogaster cornuta) deep sea species from Atlantic Ocean close to Cape Verde. Captive.

Solvin Zankl / Common fangtooth (Anoplogaster cornuta) portrait, deep sea species from Atlantic Ocean off Cape Verde. Captive.

ZSSD / Indian Rhinoceros (Rhinoceros unicornis) male calf, San Diego Zoo Safari Park, California

Floris van Breugel / Horned lark (Eremophila alpestris) wanders through spring wildflowers of the Anza-Borrego desert, California, USA March