Antelope and Gazelles in North American Zoos

It does not mention all ungulate species in Us Zoos like Bay duiker

As I said, it is only for managed populations of ungulates. Yes there are some species such as bay duiker that may have small populations or even species such as blackbuck that are fairly common, yet since they do not have a studbook they will not be included. Aza can only manage so many species, given the low interest in many ungulates and the lack of sustainability in many of those populations.
 
As this is right up my alley, I'll share some of what I know so that you can get a little better picture...For the United States:

Nilgai (12 collections):
TOTAL: 20.64


Lowland Nyala (21 collections):
TOTAL: 52.86



Southern Lesser Kudu (12 collections):
TOTAL: 39.37


Kéwel (1 collection):
TOTAL: 6.3


Speke’s Sitatunga (12 Collections):
TOTAL: 26.60.3


Eastern Bongo (42 collections):
TOTAL: 62.133.1


Greater Kudu (32 collections):
TOTAL: 63.141.2


Common Eland (22 collections):
TOTAL: 47.96.14


Eastern Giant Eland (4 collections):
TOTAL: 10.20


Klipspringer (10 collections):
TOTAL: 14.13


Royal Antelope (1 collection):
TOTAL: 0.1


Güenther’s Dik-Dik (3 collections):
TOTAL: 3.0


Kirk’s Dik-Dik (14 collections):
TOTAL: 16.11


Southern Steenbok (4 collections):
TOTAL: 6.10

Southern Gerenuk (10 collections):
TOTAL: 22.31


Springbok (10 collections):
TOTAL: 25.68


Blackbuck (11 collections):
TOTAL: 164.184.139


Nubian Red-fronted Gazelle (1 collection):
TOTAL: 12.25

Thomson's Gazelle (15 collections):
TOTAL: 48.82.1

Grant's Gazelle (5 collections):
TOTAL: 10.17

Addra Gazelle (24 collections):
TOTAL: 63.118


Mhorr Gazelle (1 collection):
TOTAL: 0.1


Nubian Soemmerring's Gazelle (3 collections):
TOTAL: 8.16

Cuvier's Gazelle (2 collections)
TOTAL: 2.2


Slender-horned Gazelle (9 collections):
TOTAL: 23.27

Persian Goitered Gazelle (1 collection):
TOTAL: 0.3

Speke's Gazelle (8 collections):
TOTAL: 30.36


Blue Duiker (15 collections):
TOTAL: 25.23.1


Black Duiker (5 collections):
TOTAL: 10.5


Red-flanked Duiker (12 collections):
TOTAL: 13.18

Western Bay Duiker (3 collections):
TOTAL: 5.12


Yellow-backed Duiker (28 collections):
TOTAL: 35.31

Uganda Kob (2 collections):
TOTAL: 7.18

Ellipsen Waterbuck (16 collections):
TOTAL: 67.99.11

Defassa Waterbuck (2 collections):
TOTAL: 7.9

"Red" Lechwe (5 collections):
TOTAL: 14.45

Nile Lechwe (9 collections):
TOTAL: 43.60


Impala (15 collections):
TOTAL: 31.110.3


Lelwel Hartebeest (1 collection):
TOTAL: 1.0


Bontebok (14 collections):
TOTAL: 17.23.12


Blesbok (2 collections):
TOTAL: 1.5


Black Wildebeest (2 collections):
TOTAL: 1.3.13

Eastern White-bearded Wildebeest (21 collections):
TOTAL: 70.111.40

Addax (27 collections):
TOTAL: 100.183.7


Scimitar-horned Oryx (23 collections):
TOTAL: 91.192.27

Beisa Oryx (3 collections):
TOTAL: 3.18.3


Fringe-eared Oryx (3 collections):
TOTAL: 3.26


Gemsbok (10 collections):
TOTAL: 16.45.6

Arabian Oryx (10 collections):
TOTAL: 23.70


Roan Antelope (8 collections):
TOTAL: 36.54.1


Sable Antelope (18 collections):
TOTAL: 44.108
 
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As this is right up my alley, I'll share some of what I know so that you can get a little better picture...For the United States:

Nilgai (12 collections):
TOTAL: 20.64


Lowland Nyala (21 collections):
TOTAL: 52.86



Southern Lesser Kudu (12 collections):
TOTAL: 39.37


Kéwel (1 collection):
TOTAL: 6.3


Speke’s Sitatunga (12 Collections):
TOTAL: 26.60.3


Eastern Bongo (42 collections):
TOTAL: 62.133.1


Greater Kudu (32 collections):
TOTAL: 63.141.2


Common Eland (22 collections):
TOTAL: 47.96.14


Eastern Giant Eland (4 collections):
TOTAL: 10.20


Klipspringer (10 collections):
TOTAL: 14.13


Royal Antelope (1 collection):
TOTAL: 0.1


Güenther’s Dik-Dik (3 collections):
TOTAL: 3.0


Kirk’s Dik-Dik (14 collections):
TOTAL: 16.11


Southern Steenbok (4 collections):
TOTAL: 6.10

Southern Gerenuk (10 collections):
TOTAL: 22.31


Springbok (10 collections):
TOTAL: 25.68


Blackbuck (11 collections):
TOTAL: 164.184.139


Nubian Red-fronted Gazelle (1 collection):
TOTAL: 12.25

Thomson's Gazelle (15 collections):
TOTAL: 48.82.1

Grant's Gazelle (5 collections):
TOTAL: 10.17

Addra Gazelle (24 collections):
TOTAL: 63.118


Mhorr Gazelle (1 collection):
TOTAL: 0.1


Nubian Soemmerring's Gazelle (3 collections):
TOTAL: 8.16

Cuvier's Gazelle (2 collections)
TOTAL: 2.2


Slender-horned Gazelle (9 collections):
TOTAL: 23.27

Persian Goitered Gazelle (1 collection):
TOTAL: 0.3

Speke's Gazelle (8 collections):
TOTAL: 30.36


Blue Duiker (15 collections):
TOTAL: 25.23.1


Black Duiker (5 collections):
TOTAL: 10.5


Red-flanked Duiker (12 collections):
TOTAL: 13.18

Western Bay Duiker (3 collections):
TOTAL: 5.12


Yellow-backed Duiker (28 collections):
TOTAL: 35.31

Uganda Kob (2 collections):
TOTAL: 7.18

Ellipsen Waterbuck (16 collections):
TOTAL: 67.99.11

Defassa Waterbuck (2 collections):
TOTAL: 7.9

"Red" Lechwe (5 collections):
TOTAL: 14.45

Nile Lechwe (9 collections):
TOTAL: 43.60


Impala (15 collections):
TOTAL: 31.110.3


Lelwel Hartebeest (1 collection):
TOTAL: 1.0


Bontebok (14 collections):
TOTAL: 17.23.12


Blesbok (2 collections):
TOTAL: 1.5


Black Wildebeest (2 collections):
TOTAL: 1.3.13

Eastern White-bearded Wildebeest (21 collections):
TOTAL: 70.111.40

Addax (27 collections):
TOTAL: 100.183.7


Scimitar-horned Oryx (23 collections):
TOTAL: 91.192.27

Beisa Oryx (3 collections):
TOTAL: 3.18.3


Fringe-eared Oryx (3 collections):
TOTAL: 3.26


Gemsbok (10 collections):
TOTAL: 16.45.6

Arabian Oryx (10 collections):
TOTAL: 23.70


Roan Antelope (8 collections):
TOTAL: 36.54.1


Sable Antelope (18 collections):
TOTAL: 44.108
For the AZA only? I have a heard believing that the number of Bongo holders is over twice that of Nilgai.
 
Some of the "Hunting" ranches in the USA have extensive antelope collections would that be included in the above listing?
 
Royal Antelope (1 collection):
TOTAL: 0.1


Güenther’s Dik-Dik (3 collections):
TOTAL: 3.0

Lelwel Hartebeest (1 collection):
TOTAL: 1.0


Blesbok (2 collections):
TOTAL: 1.5

Curious, what collections are these at?
 
For the AZA only? I have a heard believing that the number of Bongo holders is over twice that of Nilgai.

I'm not really surprised... I've seen lots of Bongo, but never Nilgai. I suspect the lower numbers of Nilgai is largely due to the fact the Nilgai is not managed by AZA, whereas the Bongo has a yellow SSP.

The one that surprises me is Blackbuck. 487 animals between 11 facilities, which spread evenly is 44 animals a facility!
 
Curious, what collections are these at?
Royal Antelope is kept at Brookfield.
The one that surprises me is Blackbuck. 487 animals between 11 facilities, which spread evenly is 44 animals a facility!
This surprises me too, but for the opposite reason! Blackbuck and Nilgai are the antelope species I most commonly see in zoos, so it surprises me they are so rare.
 
For the AZA only? I have a heard believing that the number of Bongo holders is over twice that of Nilgai.
Looking through the ZooChat galleries, I found at least 20 zoos in the US and Canada with Nilgai.
This is not a comprehensive list (e.g. I know of at least two other holders of black wildebeest, but I do not know the exact numbers that they hold), and it features statistics from mostly AZA collections with a few of the higher profile non-AZA collections, such as Bright's Zoo, Wildlife World Zoo, Montgomery Zoo, etc., in the United States only. This would likely explain why the number of bongo holders is much higher than that of nilgai. The bongo is a critically endangered species with a Species Survival Plan that is very attractive and easily managed, so while the nilgai is also an easily managed species, they do not have much conservation value and they are not conventionally attractive. As such, the majority of nilgai in AZA collections have slowly been phased out and/or dispersed into private hands. They are, indeed, quite common in non-AZA facilities, and if you included every one of those facilities, it is likely that there would be more holders of nilgai than bongo.
 
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I have seen some of the websites of these hunting ranches and I was really surprised at the number of different species being held even some really rare and highly endangered species
Disgusting isn't it?
 
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