Yucatán Neotropical Rattlesnake
Yucatán Neotropical RattlesnakeYucatán Neotropical RattlesnakeYucatán Neotropical Rattlesnake

Yucatán Neotropical Rattlesnake

Crotalus tzabcan

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
10–20% · With luck
overall probability at Calakmul Biosphere Reserve
18 Verified records at Calakmul Biosphere Reserve
December Best month highest sighting rate
☀️🌙 Day & Night When it's active Active throughout day and night

Crotalus tzabcan, the Yucatán neotropical rattlesnake, is a species of pit viper in the family Viperidae. It was previously thought to be a subspecies of Crotalus durissus, until Wüster elevated it to species status in 2005. Wikipedia →

10–20% of wildlife watchers report a Yucatán Neotropical Rattlesnake sighting in Calakmul Biosphere Reserve, based on 18 days of visitor records from GBIF citizen-science data.

Closest Relatives at Calakmul Biosphere Reserve

Fer-de-lance
LC

Fer-de-lance

☀️🌙 Day & Night Reptile

Bothrops asper

10–20% · With luck
Yucatecan Cantil

Yucatecan Cantil

☀️🌙 Day & Night Reptile

Agkistrodon russeolus

Insufficient data
Yucatán Hognose Viper
LC Endemic

Yucatán Hognose Viper

☀️ Diurnal Reptile

Porthidium yucatanicum

Insufficient data

📅 Monthly Probability

10–20
Jan
10–20
Feb
10–20
Mar
10–20
Apr
10–20
May
5–10
Jun
10–20
Jul
20–30
Aug
20–30
Sep
10–20
Oct
20–30
Nov
20–30
Dec

☀️🌙 When They're Spotted

Active throughout day and night · across all parks (global)

☀️🌙Day & Night
☀️🌙🌙12am6am12pm6pm12am

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Probability
1 Calakmul Biosphere Reserve 🇲🇽 Mexico
10–20%
2 Ría Lagartos Biosphere Reserve 🇲🇽 Mexico
10–20%
3 Sian Ka'an Biosphere Reserve 🇲🇽 Mexico
Insufficient data

Quick answers

What are the chances of seeing a Yucatán Neotropical Rattlesnake in Calakmul Biosphere Reserve?

About 16% of wildlife watchers report a Yucatán Neotropical Rattlesnake sighting in Calakmul Biosphere Reserve, based on 18 days of visitor records from GBIF citizen-science data.

When is the best time to see Yucatán Neotropical Rattlesnake in Calakmul Biosphere Reserve?

December has the highest sighting rate for Yucatán Neotropical Rattlesnake in Calakmul Biosphere Reserve in our monthly data.

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