Mono Cai
Mono CaiMono CaiMono CaiMono Cai

Mono Cai

Sapajus nigritus

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
40–50% · Likely
overall probability at Tijuca National Park
163 Verified records at Tijuca National Park
August Best month highest sighting rate
☀️ Diurnal When it's active during daytime hours (6am–6pm)

The black capuchin (Sapajus nigritus), also known as the black-horned capuchin, is a capuchin monkey from the Atlantic Forest in south-eastern Brazil and far north-eastern Argentina. Historically, it was included as a subspecies of the tufted capuchin. Wikipedia →

40–50% of wildlife watchers report a Mono Cai sighting in Tijuca National Park, based on 163 days of visitor records from GBIF citizen-science data.

Closest Relatives at Tijuca National Park

Common Squirrel Monkey
LC

Common Squirrel Monkey

☀️ Diurnal Mammal

Saimiri sciureus

Insufficient data
Black-pencilled Marmoset
LC Endemic

Black-pencilled Marmoset

☀️ Diurnal Mammal

Callithrix penicillata

30–40% · Possible
Common Marmoset
LC

Common Marmoset

☀️ Diurnal Mammal

Callithrix jacchus

30–40% · Possible
Brown Howler Monkey
VU

Brown Howler Monkey

☀️ Diurnal Mammal

Alouatta guariba

<5% · Rare

📅 Monthly Probability

30–40
Jan
40–50
Feb
40–50
Mar
50–60
Apr
40–50
May
50–60
Jun
50–60
Jul
50–60
Aug
40–50
Sep
40–50
Oct
40–50
Nov
30–40
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 Iguazú National Park 🇦🇷 Argentina
60–70%
2 Itatiaia National Park 🇧🇷 Brazil
40–50%
3 Tijuca National Park 🇧🇷 Brazil
40–50%
4 Iguaçu National Park 🇧🇷 Brazil
40–50%
5 Serra dos Órgãos National Park 🇧🇷 Brazil
Insufficient data
6 Serra da Canastra National Park 🇧🇷 Brazil
Insufficient data

Quick answers

What are the chances of seeing a Mono Cai in Tijuca National Park?

About 47% of wildlife watchers report a Mono Cai sighting in Tijuca National Park, based on 163 days of visitor records from GBIF citizen-science data.

When is the best time to see Mono Cai in Tijuca National Park?

August has the highest sighting rate for Mono Cai in Tijuca National Park in our monthly data.

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