Blue Monkey

Blue Monkey

Cercopithecus mitis

Silhouette: Kai R. Caspar · PhyloPic

LCLeast ConcernNTVUENCR
Daily sighting probability ~40% · Likely
at Lake Manyara National Park

In 3 days ~80% in a week >90%

108 Verified sightings at Lake Manyara National Park From 2019 to 2026
834 In all 15 parks
May Best month
☀️ Diurnal When it's spotted

About the Blue Monkey

The blue monkey or diademed monkey (Cercopithecus mitis) is a species of Old World monkey native to Central and East Africa, ranging from the upper Congo River basin east to the East African Rift and south to northern Angola and Zambia and populations further south down to South Africa. The taxonomy of this species has been disputed and Sykes' monkey, the silver monkey and the golden monkey are often regarded as subspecies.

Several subspecies are recognised: Cercopithecus mitis boutourlinii – Boutourlini's blue monkey, found in Western Ethiopia. Identified and named by Leopoldo Traversi. Cercopithecus mitis elgonis – Elgon blue monkey Cercopithecus mitis heymansi – Lomami River blue monkey, found in Congo

Cercopithecus mitis kolbi – Kolb's monkey, found in Kenya Cercopithecus mitis labiatus – Samango monkey, found in South Africa, Eswatini and southern Mozambique Cercopithecus mitis mitis – Pluto monkey, found in Angola Cercopithecus mitis moloneyi – Moloney's blue monkey

Cercopithecus mitis opitsthosticus Cercopithecus mitis schoutedeni – Schouteden's blue monkey, found in Congo Cercopithecus mitis stuhlmanni – Stuhlmann's blue monkey At times, some of these have... Wikipedia →

Sounds

Call0:41

Malawi · 2015

© Frank Lambert · XC1031569 · CC BY-NC-ND 4.0

Call0:17

Burundi · 2024

© Bram Piot · XC1024931 · CC BY-NC-SA 4.0

Recording0:11

South Africa · 2021

© dlcastles · iNaturalist · CC BY-NC 4.0

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Arusha National Park 🇹🇿 Tanzania
~80%
2 Volcanoes National Park 🇷🇼 Rwanda
~80%
3 Aberdare National Park 🇰🇪 Kenya
~70%
4 Nyungwe National Park 🇷🇼 Rwanda
~70%
5 Bwindi Impenetrable National Park 🇺🇬 Uganda
~50%
6 Virunga National Park 🇨🇩 Democratic Republic of the Congo
~50%
7 Nairobi National Park 🇰🇪 Kenya
~40%
8 Lake Manyara National Park 🇹🇿 Tanzania
~40%
9 Tsavo West National Park 🇰🇪 Kenya
~40%
10 iSimangaliso Wetland Park 🇿🇦 South Africa
~30%
11 Hluhluwe-Imfolozi Park 🇿🇦 South Africa
~20%
12 Tsavo East National Park 🇰🇪 Kenya
~20%
13 Ngorongoro Conservation Area 🇹🇿 Tanzania
~20%
14 Gorongosa National Park 🇲🇿 Mozambique
~20%
15 Queen Elizabeth National Park 🇺🇬 Uganda
~20%

Cities Where Found

# City Country Daily sighting probability
1 Nairobi 🇰🇪 Kenya
~70%

Zoos & Centres Where Found

# Zoo / Centre Country
1 Beijing Wildlife Park 🇨🇳 China In captivity
2 Kansas City Zoo 🇺🇸 United States In captivity
3 Beijing Zoo 🇨🇳 China In captivity
4 Omaha’s Henry Doorly Zoo and Aquarium 🇺🇸 United States In captivity
5 Johannesburg Zoo 🇿🇦 South Africa In captivity
6 La Palmyre Zoo 🇫🇷 France In captivity
7 Pittsburgh Zoo & Aquarium 🇺🇸 United States In captivity
8 Animal Orphanage 🇰🇪 Kenya In captivity
9 Bioparc Fuengirola 🇪🇸 Spain In captivity
10 Castellar Zoo 🇪🇸 Spain In captivity
11 Sobela Ocean Aquarium 🇺🇸 United States In captivity
12 Maharani Zoo & Goa 🇮🇩 Indonesia In captivity
13 Snakeroom Serpentarium 🇪🇸 Spain In captivity

Before you go

What are the chances of seeing a Blue Monkey in Lake Manyara National Park?

Likely

About 40% of wildlife watchers report a Blue Monkey sighting in Lake Manyara National Park on a given day, based on 108 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 7th most-seen of the 19 mammals we can rate there. Over three days the chance rises to about 80%, and over a week to over 90%, if each day is a fresh chance.

When is the best time to see a Blue Monkey in Lake Manyara National Park?

May

In that month about 60% of wildlife watchers report a Blue Monkey in Lake Manyara National Park on a given day, against about 10% in April and December, the lowest months. That is one of Lake Manyara National Park's wettest months, with about 120 mm of rain against 15 mm in September.

What time of day is best to see a Blue Monkey?

Between 9 am and noon

Across all the parks we cover, that three-hour window holds the most Blue Monkey sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Which relatives of the Blue Monkey live in Lake Manyara National Park?

Same family: Cercopithecidae

The closest relatives of the Blue Monkey that you can see in Lake Manyara National Park (family Cercopithecidae, Old World Monkeys) are Olive Baboon (about 80%) and Vervet Monkey (about 70%), with each one's daily chance of a sighting.

Where does the Blue Monkey sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Blue Monkey is recorded against all the mammals logged in Lake Manyara National Park (108 verified sightings from 2019 to 2026), 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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