wildlife: a cat-eyed snake is seen dwelling during the night in the northern jungles of guatemala

america archaeological bite brush cat cateyed central colubrid come culebra dwelling eyed frogs guatemala health humans islands jungles leptodeira lizards margarita medium mexico mild nakum native natural new night north northern pantano peten postica prey ranera sapo seen site size sliding snake snakes south species states teeth texas tobago trinidad united venom venomous wildlife world