clouded snake sibon nebulatus, tortuguero, costa rica wildlife

america animal arboreal beautiful black brown camouflage camouflaged central closeup clouded cloudy costa crawling eater eating endangered eye forest grey head herpetology macro mouth nature nebulatus nocturnal non rain rainforest reptile reptilian rica serpent sibon sliding slither snail snaileater snailsucker snake snakeskin sucker thirst tropical venomous white wild wildlife