What U.S. zoo has most primate species?

southwick zoo in mass. had quite a few primates, chimp and others.
Southwick's does have quite a few (unfortunately in quite poor exhibits for the most part- chimps being an exception). I believe they should have nineteen at the moment: three lemur species, chimpanzees, two gibbon species, spider monkeys, two capuchins, two callitrichids, squirrel monkeys, and seven African monkey species.
 
What zoo has the most individuals of any 1 species? Baboons for example are often kept in very large troups. And of particular interest to me, who keeps large (10+) groups of Mandrill?
 
What zoo has the most individuals of any 1 species? Baboons for example are often kept in very large troups. And of particular interest to me, who keeps large (10+) groups of Mandrill?
I’d have to imagine San Diego has the largest troop of Hamadryas baboons or at least one of the largest troops. I’ve counted at least more than 20 individuals on my last trip between both habitats.
 
Here are a handful of the primate species Cleveland has phased out over the years:
  • Mandrill
  • Chimpanzee
  • Hamadrayas Baboon
  • Common Squirrel Monkey
  • Potto
  • Eastern Colobus Monkey
  • Reed Titi
  • Goeldi’s Monkey (Left the zoo in 2024 prior to RainForest construction)
  • Blue Eyed Black Lemur
  • Geoffroy's Tamarin
  • Moholi bushbaby
Didn't they have tarsiers also at one point?
 
What zoo has the most individuals of any 1 species? Baboons for example are often kept in very large troups. And of particular interest to me, who keeps large (10+) groups of Mandrill?
I don't know of any zoos with 10+ mandrills, but if you are looking for a zoo with a large group of mandrills, I'd recommend Bronx Zoo. Their most recent USDA inspection listed nine mandrills, and they are exhibited in Congo Gorilla Forest- easily the most impressive zoo exhibit I've ever seen. The mandrills are in a mixed-species exhibit with red river hogs:
full


For other zoos with large troops of a particular species, Indianapolis should have over thirty crab-eating macaques, which is the largest group of one primate species I'm aware of in a US zoo.
 
Yes, up until the 90s if I'm not mistaken.
I saw the Tarsier in Cleveland in 2005. As I recall it was in the upper level of the Rainforest exhibit on the path leading from the small cats to the orangutans. At the time the Primate, Cat, and Aquatics building was also more densely stocked with probably another half dozen extra species compared to today.

Getting back to now, doesn't Omaha still have some nocturnal primates in Kingdoms of the Night? If so it'd have more than the number provided by @JVM.
 
I saw the Tarsier in Cleveland in 2005. As I recall it was in the upper level of the Rainforest exhibit on the path leading from the small cats to the orangutans. At the time the Primate, Cat, and Aquatics building was also more densely stocked with probably another half dozen extra species compared to today.

Getting back to now, doesn't Omaha still have some nocturnal primates in Kingdoms of the Night? If so it'd have more than the number provided by @JVM.
Yes, Omaha has Potto, Greater Galago, and night monkey in Kingdoms of the Night.
 
I saw the Tarsier in Cleveland in 2005. As I recall it was in the upper level of the Rainforest exhibit on the path leading from the small cats to the orangutans. At the time the Primate, Cat, and Aquatics building was also more densely stocked with probably another half dozen extra species compared to today.

Getting back to now, doesn't Omaha still have some nocturnal primates in Kingdoms of the Night? If so it'd have more than the number provided by @JVM.
I'm utterly shocked at myself here. If this was a verbal conversation I would probably be stubbornly insisted I had said it, but I can scroll back and see they are not in my post. Prosimians are one of my favorite groups and Kingdom of the Night was a highlight in great part for those species. I don't understand how I failed to include them in my listing at all.
 
The most recent USDA inspection available (weirdly from November 6 2023) shows 18 of them.

We have 18 bonobos: 10 females and 8 males our oldest is in his mid 30s and our youngest is also a male at age 9. About half of them were born at the Milwaukee Zoo. Six will be on habitat indoor at a time(they shift them throughout the day depending on the group dynamics- fission/fusion( and during the summer months 6 will be indoor and up to 10 will be outside. The shift them throughout the day.

BTW we have one bonobo our youngest at age 9 this year, had brain surgery when he was 5 not once by twice by two local people neurologists, it was the first time this ever happened to a bonobo. He is doing fine 3 years later and can be quite a handful as he loves to stir up the group in play.
 
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The Milwaukee County Zoo has:

Primate Building:
5 Western Lowland Gorillas- family group of 3 and a bachelor group of 2

18 Bonobos: 10 females 8 males

3 De Brazza Monkeys 2 males (one a baby) and 1 female

2 Golden Lion Tamarins 1 male 1 female

4 Spider Monkeys (one female 52 years old) 2 Males 2 females

2 Hybrid Orangutans. 1 Male (43 year old) and 1 Female (42)

2 Red Ruffed Lemurs 1 male 1 female

3 Colobus Monkeys 1 male 2 females

2 Siamangs (oldest 42 female) 1 female/1male they are companions not a breeding pair as the female is quite old and the male is around 8 or 9,

Small Mammal Building
2 Ring tailed Lemurs 1 male/1female

2 Cotton Top Tamarins 1 male/1 female

1 Goeldie Monkey 1female

2 Pygmy Slow Loris 1 male/1female
(a primate but not a monkey or ape- and the only venomous primate)

2 Moholi Bush babies 1 male/1female
 
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