Chris Mattison / O'Shaughnessy's chameleon (Calumma oshaughnessyi) on branch. Ranomafana National Park, Madagascar.

Chris Mattison / Blue legged chameleon (Calumma crypticum) female on branch. Ranomafana National Park, Madagascar.

Chris Mattison / Huntsman spider (Sparassidae). on leaf. Ranomafana National Park, Madagascar.

Chris Mattison / Blue legged chameleon (Calumma crypticum) resting on branch at night. Ranomafana National Park, Madagascar.

Ch'ien Lee / White-spotted Reed Frog (Heterixalus alboguttatus), Ranomafana National Park, Madagascar

Lorraine Bennery / Hill's ruffed lemur (Varecia variegata editorum), sitting in tree, Ranomafana National Park, Madagascar, Critically Endangered, endemic.

Lorraine Bennery / Golden bamboo lemur (Hapalemur aureus) sitting in tree, Ranomafana National Park, Madagascar, Critically Endangered, endemic.

Lorraine Bennery / Milne-Edwards's sifaka (Propithecus edwardsi), sitting in tree Ranomafana National Park, Madagascar, Endangered, endemic.

Paul Bertner / Katydid (Tettigoniidae) preyed upon by scorpion, Ranomafana National Park, Madagascar

Paul Bertner / Scorpion, seen under UV light, Ranomafana National Park, Madagascar

Paul Bertner / Scorpion, seen under UV light, Ranomafana National Park, Madagascar

Paul Bertner / Scorpion, seen under UV light, Ranomafana National Park, Madagascar