Likely species in Aguarico Ecuador

Common Blunt-headed Snake — Imantodes cenchoa — Nonvenomous

Amazon Blunt-headed Snake — Imantodes lentiferus — Nonvenomous

Amazon Coffee-Snake — Ninia hudsoni — Nonvenomous

Langsdorff’s Coralsnake — Micrurus langsdorffi — Venomous (medically significant)

Black-necked Coralsnake — Micrurus obscurus — Venomous (medically significant)

Aquatic Coralsnake — Micrurus surinamensis — Venomous (medically significant)

Amazon False-Lancehead — Xenodon severus — Mildly venomous (rear-fanged)

Forest Flame-Snake — Oxyrhopus petolarius — Mildly venomous (rear-fanged)

Coral Ground Snake — Atractus elaps — Nonvenomous

Greater Ground Snake — Atractus major — Nonvenomous

False Tree Coral — Rhinobothryum lentiginosum — Nonvenomous

Hammer Watersnake — Hydrops marti — Nonvenomous

Triangle Watersnake — Hydrops triangularis — Nonvenomous

Red Leaf-Litter Snake — Xenopholis scalaris — Nonvenomous

Red-eyed Liana-Snake — Siphlophis compressus — Mildly venomous (rear-fanged)

Painted Liana-Snake — Siphlophis cervinus — Mildly venomous (rear-fanged)

Royal Marsh-Snake — Erythrolamprus reginae — Nonvenomous

Coppery Marsh-Snake — Erythrolamprus taeniogaster — Nonvenomous

Tiger Ratsnake — Spilotes pullatus — Nonvenomous

Yellow-bellied Puffing-Snake — Spilotes sulphureus — Nonvenomous

Amazon Scarlet Snake — Pseudoboa coronata — Mildly venomous (rear-fanged)

Neotropical Snail-eating Snake — Dipsas indica — Mildly venomous (rear-fanged)

Pavonine Snail-eating Snake — Dipsas pavonina — Mildly venomous (rear-fanged)

Green Vine-Snake — Oxybelis fulgidus — Mildly venomous (rear-fanged)

Green-striped Vine-Snake — Xenoxybelis argenteus — Mildly venomous (rear-fanged)