Dryad Snake

Dryad Snake

Mastigodryas melanolomus

Silhouette: Alex Slavenko · PhyloPic

LCLeast ConcernNTVUENCR
Daily sighting probability ~10% · With luck
at San José

In 3 days ~10% in a week ~30%

7 Verified sightings at San José
71 In all 7 parks From 2019 to 2026
October Best month
☀️ Diurnal When it's spotted

About the Dryad Snake

Mastigodryas melanolomus, the salmon-bellied racer, is a species of snake found in Mexico, Guatemala, Honduras, Belize, El Salvador, Nicaragua, and Costa Rica. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Arrecifes de Cozumel National Park 🇲🇽 Mexico
~20%
2 Calakmul Biosphere Reserve 🇲🇽 Mexico
~10%
3 Sian Ka'an Biosphere Reserve 🇲🇽 Mexico
~10%
4 Corcovado National Park 🇨🇷 Costa Rica
~10%
5 Arenal Volcano National Park 🇨🇷 Costa Rica
~10%
6 Braulio Carrillo National Park 🇨🇷 Costa Rica
~10%
7 Monteverde Cloud Forest Reserve 🇨🇷 Costa Rica
~10%

Cities Where Found

# City Country Daily sighting probability
1 San José 🇨🇷 Costa Rica
~10%

Zoos & Centres Where Found

# Zoo / Centre Country
1 Croco Cun Zoo 🇲🇽 Mexico In captivity

Before you go

What are the chances of seeing a Dryad Snake in San José?

With luck

About 10% of wildlife watchers report a Dryad Snake sighting in San José on a given day, based on 7 verified sightings from GBIF citizen-science data. It is the 17th most-seen of the 24 reptiles we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.

When is the best time to see a Dryad Snake in San José?

January, May and October

In those months about 10% of wildlife watchers report a Dryad Snake in San José on a given day, against under 5% in February–April, June–September and November–December, the lowest months.

What time of day is best to see a Dryad Snake?

Between 8 and 11 am

Across all the parks we cover, that three-hour window holds the most Dryad Snake sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Where else can you see a Dryad Snake?

Only San José, in our data

San José is the only city on Wallace's Line with enough records to rate Dryad Snake sightings: about 10% of wildlife watchers there report one on a given day.

Where does the Dryad Snake sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Dryad Snake is recorded against all the reptiles logged in San José (7 verified sightings), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.

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