Ingo Arndt / Slug caterpillar moth larva {Acharia nesea} Guanacaste, Costa Rica

Ingo Arndt / Slug caterpillar moth larva mimics bug {Limacodidae} Guanacaste, Costa Rica

Ingo Arndt / Brush footed butterfly caterpillar mimics snake {Archaeoprepona demophoon} Guanacaste, Costa Rica

Ingo Arndt / Looper moth caterpillar mimics twig {Geometridae} Guanacaste, Costa Rica

Ingo Arndt / Slug moth caterpillar mimics seed pod {Perola sp} Guanacaste, Costa Rica, Central America

Ingo Arndt / Saturniid moth caterpillar with warning colouration {Syssphinx mexicana} Guanacaste, Costa Rica

Ingo Arndt / Silkmoth caterpillar with eye spots to mimic snake {Oxytenis beprea} Guanacaste, Costa Rica

Ingo Arndt / Silkmoth caterpillar with eye spots to mimic snake {Oxytenis modestia} Guanacaste, Costa Rica, Central America

John Cancalosi / Boa Constrictor (Boa constrictor) shedding skin from head. Guanacaste National Park, Costa Rican tropical rainforest.

John Cancalosi / Boa Constrictor (Boa constrictor) shedding skin from head. Guanacaste National Park, Costa Rican tropical rainforest.

Jouan & Rius / Strangler fig roots growing up trees in Dry forest in Guanacaste, Costa Rica

Doug Wechsler / Giant toad showing paratoid gland behind eye {Bufo marinus} Costa Rica Guanacaste NP,