Mexican Black Howler Monkey
Mexican Black Howler MonkeyMexican Black Howler MonkeyMexican Black Howler MonkeyMexican Black Howler Monkey

Mexican Black Howler Monkey

Alouatta pigra

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
20–30% · Possible
overall probability at Sian Ka'an Biosphere Reserve
25 Verified records at Sian Ka'an Biosphere Reserve
July Best month highest sighting rate
☀️ Diurnal When it's active during daytime hours (6am–6pm)

The Yucatán black howler, or Guatemalan black howler, (Alouatta pigra) is a species of howler monkey, a type of New World monkey, from Central America. It is found in Belize, Guatemala and Mexico, in and near the Yucatán Peninsula. It lives in evergreen, semideciduous and lowland rain forests. It is also known as the baboon in Belize, although it is not closely related to the baboons in Africa. Wikipedia →

20–30% of wildlife watchers report a Mexican Black Howler Monkey sighting in Sian Ka'an Biosphere Reserve, based on 25 days of visitor records from GBIF citizen-science data.

Closest Relatives at Sian Ka'an Biosphere Reserve

Central American Spider Monkey
EN

Central American Spider Monkey

☀️ Diurnal Mammal

Ateles geoffroyi

20–30% · Possible

📅 Monthly Probability

20–30
Jan
30–40
Feb
10–20
Mar
20–30
Apr
10–20
May
<5
Jun
40–50
Jul
20–30
Aug
<5
Sep
20–30
Oct
20–30
Nov
10–20
Dec

☀️ When They're Spotted

Most active during daytime hours (6am–6pm) · across all parks (global)

☀️Diurnal
☀️🌙🌙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
50–60%
2 Montes Azules Biosphere Reserve 🇲🇽 Mexico
50–60%
3 Cockscomb Basin Wildlife Sanctuary 🇧🇿 Belize
30–40%
4 Sian Ka'an Biosphere Reserve 🇲🇽 Mexico
20–30%
5 Celestún Biosphere Reserve 🇲🇽 Mexico
Insufficient data
6 Ría Lagartos Biosphere Reserve 🇲🇽 Mexico
Insufficient data
7 Arrecifes de Cozumel National Park 🇲🇽 Mexico
Insufficient data
8 Cañón del Sumidero National Park 🇲🇽 Mexico
Insufficient data

Quick answers

What are the chances of seeing a Mexican Black Howler Monkey in Sian Ka'an Biosphere Reserve?

About 23% of wildlife watchers report a Mexican Black Howler Monkey sighting in Sian Ka'an Biosphere Reserve, based on 25 days of visitor records from GBIF citizen-science data.

When is the best time to see Mexican Black Howler Monkey in Sian Ka'an Biosphere Reserve?

July has the highest sighting rate for Mexican Black Howler Monkey in Sian Ka'an Biosphere Reserve in our monthly data.

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