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🐍 Cloudy Snail-eating Snake (*Sibon nebulatus*)

Posted
Updated
ByZusi Agenti

Cloudy Snail-eating Snake (Sibon nebulatus) is one of the animal species documented at Yuyo in the Caribbean lowlands of Costa Rica.

🔤 Name English / nombre español / Name Deutsch

Cloudy Snail-eating Snake / Culebra caracolera nebulosa / Nebel-Schneckenfresser

⚠️ Identification note: This species identification is considered probable, but not fully certain. We welcome additional information or corrections from biologists and other experts. Please contact us if you can help confirm the identification.

🔬 Taxonomy & conservation

Family

Dipsadidae — dipsadine snakes

IUCN status

LC — Least Concern

ⓘ What does this mean?

About the IUCN Red List
The IUCN Red List assesses the global risk of extinction of species using criteria such as population size and trends, geographic range, and the degree of population decline. The category shown here describes conservation status — it does not indicate whether an animal is dangerous to humans.

EX Extinct · EW Extinct in the Wild · CR Critically Endangered · EN Endangered · VU Vulnerable · NT Near Threatened · LC Least Concern · DD Data Deficient · NE Not Evaluated

Source: IUCN Red List of Threatened Species

🌿 Habitat & Ecology

Local distribution & habitat

Found in Central America; the text does not explicitly mention Costa Rica or the Caribbean lowlands.

GBIF occurrence evidence around Yuyo

Costa Rica: 907 GBIF records
Within 5 km: 11 records
Within 10 km: 25 records
Within 25 km: 51 records
Within 50 km: 56 records
Nearest GBIF record: 0.28 km away · human observation

Photo from Yuyo
A dark, slender snake with irregular pale markings extending across grass and dry leaf litter, with its head visible near the upper center.
A dark, slender snake with irregular pale markings extending across grass and dry leaf litter, with its head visible near the upper center.
Behavior

Small, slender, and arboreal.

⚠️ Risk & safety

Risk Level

None

📍📈 Local frequency

occasional

📖✨ Stories

Stefan K.: On 29 February 2024, a volunteer found this snake while cleaning the site. It hid before a photograph could be taken. When he worked in the area again, the snake reappeared and photographs were obtained. It was later identified as a nonvenomous Cloudy Snail-eating Snake. From time to time we see one individual.

🎬 Related videos

Will be added if we are lucky enough to film an encounter.

📷 Photos

A slightly blurred view of a dark, pale-mottled snake curving across grass and fallen brown leaves, with its head near the upper-right corner.
A slightly blurred view of a dark, pale-mottled snake curving across grass and fallen brown leaves, with its head near the upper-right corner.
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