Trends in European zoo collections in the 21st century

Number of zoos kept (current and former during the holding period):
A 1 zoo
B 2-5 zoos
C 6-10 zoos
D >10 zoos

Time period kept:
1 < 1 year
2 1-5 years
3 6-10 years
4 11-20 years
5 > 20 years

* Species successfully bred
♱ Dead end (in case of species gained)
↑ Species gaining popularity (in case of species gained)


Old world monkeys - Cercopithecidae
164 species across 23 genera
71 species kept this century (43%)


With 164 species this is by far the largest primate family and it is far too big to cover in one post. Therefore we will cover this family in three separate posts.

Guenons and allies - Cercopithecini
# Species kept 1-1-2000: 23
# Species kept currently: 19 (-4)
# Species gained: 1
# Species lost: 5


Out of 35 different species (which includes a split patas monkey) the majority of this group has been kept in Europe this century and a majority is still kept, though numbers are on the decline. These numbers exclude putative holdings of Tantalus monkey (Chlorocebus tantalus), this species seems to be misidentified a lot and unless someone can give clear proof of a tantalus monkey in Europe this century, I will treat them as Chlorocebus spec.. Both pictures on Zootierliste that should show tantalus monkey, show different species or hybrids. An interesting case is the red-bellied monkey (Cercopithecus erythrogaster) which was in recent decades long only held in Zoo Mulhouse, which kept this species 1990-2013. The species was then briefly lost from Europe until Monkey World, Wareham, received a confiscated pair in 2018. This pair bred in 2019 and 2020.

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@gentle lemur Red-bellied monkey were lost but gained again this century

Species gained but lost

Southern talapoin - Miopithecus talapoin B4
Zoos in general seem to have a problem with correctly labelling their talapoins, which has given the impression that southern talapoins have been more common in the past or are even still around. The two species are however easy to tell apart and there are only 2 zoos that have kept southern talapoin this century. Talapoins are confiscated relatively often and it is not unlikely that the single talapoin that was kept in Bioparc Valencia until 2012 had that origin. Palmitos Park in Maspalomas on the Canary Islands has also kept this species at least 2010-2017. Both zoos kept their southern talapoin with their more common sister species the northern talapoin.

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@Maguari Southern talapoins can easily be identified with their dark nose


Species lost

Crowned monkey - Cercopithecus pogonias A5*
The only zoo to keep this species was Twycross Zoo from 1992-2018. Twycross received 3.2 crowned guenons from Rennes University in 1992-1993 and bred this species regularly between 1994-1999. By 2003 only a single animal remained, which passed away in 2018.

Wolf’s monkey - Cercopithecus wolfi B4*
This guenon is still around in the USA, but has always been a great rarity in European zoos. Zoo de la Palmyre kept this species at least 1992-2001 and bred this species in the 90s too. Monkey Park in Los Cristianos also kept a single animal at least in 2001. It is unclear when exactly the species disappeared from Europe, but it is likely in the early 2000s.

Bale green monkey - Chlorocebus djamdjamensis B5*
Another very rarely kept monkey, which disappeared from Europe in 2010. This species was kept and bred in Zoo Jihlava, Czechia, between 1978-2009 and a single confiscated animal was kept 2009-2010 in Zoo Bojnice, Bratislava, which also kept the species until 2007.

Malbrouck monkey - Chlorocebus cynosuros B5*?
In recent decades this species was only kept in 2 Portuguese zoos. Zoo Lisbon kept this species until 2009 and Monte Salvegem in Montemor-o-novo kept this species until at least 2014, but not anymore in 2021. These green monkeys are always difficult to assign to any given species in captivity, but given the clear links between Portugal and Angola, I am inclined to treat these holdings as true Malbrouck monkeys.

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@lintworm One has to travel to Ethiopia again to have a chance at seeing Bale green monkey

Species gaining popularity

Northern talapoin - Miopithecus ogouensis
These pocket guenons are on the rise this decade. Where at the start of the century the species was mostly confined to Spain, it is now spreading all over Europe. Part of the reason is the steady stream of confiscated animals making their way into zoos. Their small size and possibility to mix with other species make it a relatively easy species to add to zoos. No zoos yet keep the big groups that are known from the wild, but Apenheul is looking to change that.

Roloway monkey - Cercopithecus roloway
This was long an extremely rare species, confined to a few French zoos. Just before the start of the 21st century Zoo Heidelberg and Twycross Zoo obtained this species and this was the starting point for a slow but steady spread across Europe. With 15 current holders this is a clear record and the species is breeding regularly in multiple zoos. Being attractive, critically endangered and with the WAPCA having a clear in situ conservation component, are enough reasons for zoos to want to obtain this species. This has somewhat come at the expense of the very similar, but less endangered, diana guenon (Cercopithecus diana), but that species is still more numerous in Europe, mostly because Zoo Ostrava keeps over 20 diana guenons.

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@Rustydon Roloway monkeys are undeniably good-looking, just as most guenons

Species losing popularity

Red-tailed monkey - Cercopithecus ascanius
An always scarce species that is decreasing further, if it is replaced at all, it is usually with more endangered species. This species is down to a few holders, so it is unclear whether this species has a future.

Mona monkey - Cercopithecus mona
A species that used to be relatively common, but breeding has all but ceased in most zoos and EAZA zoos are phasing out this species. This species is kept mostly in Eastern Europe these days and might well be on their way out.

Owl-faced monkey - Cercopithecus hamlyni
While this is an EEP managed species the population has declined quite a bit this decade and only a few zoos are still breeding this species. While this species could hang on in Europe, it is apparently hard to turn things around. Though there was a low point a few years ago when only 2 French zoos still bred this species, but in recent years both Zoo Leipzig, Zoo Antwerpen and Zoo Berlin had some breeding success. With around 20 individuals the population is vulnerable.

Lesser spot-nosed monkey - Cercopithecus petaurista
This species seemed to be on their way out with the original population declining to a single individual in Zoo Bojnice. Though in 2022 Zoo Hamerton imported 1.2 animals from the US, so while on the decline, it isn’t a dead end yet, but all depends on Hamerton Zoo and whether they can start breeding this species too.

Greater spot-nosed monkey - Cercopithecus nictitans
Always an uncommon species, but currently down to 4 holders and hardly any recent breeding. This species will likely be gone from Europe in 20 years time.

Grivet / Vervet - Chlorocebus aethiops / Chlorocebus pygerythrus
In the past all green monkeys were lumped into a single species and this means that most of the population probably consists of hybrids, though pure (looking) animals are certainly around. Combined with their non-endangered status this is more and more becoming a species of non-EAZA zoos. In a way this is a shame as they are perfect and fitting additions to any African savanna zone and can be mixed with hoofstock. But given that patas monkeys (Erythrocebus spec.) are already struggling to find new holders, it seems most zoos don’t even want to consider primates in their savanna areas.

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@Therabu Will owl-faced monkeys be able to cling on?

Dead ends

Allen’s swamp monkey - Allenopithecus nigroviridis
An unusual African monkey that has always been rather rare in Europe with little breeding. At the start of the century it was still kept in about 4 different zoos. The decision was made to ship the remaining 7 or so animals to the US in exchange for golden-bellied mangabeys (Cercocebus chrysogaster). Whereas some golden-bellied mangabeys arrived, I am not sure any Allen’s swamp monkey went to the US. It seems most animals in Europe just died of old age. Currently a single female in Zoo Warsaw is all that is left in Europe.

Blue monkey - Cercopithecus mitis s.l.
One of the most common guenons in Africa, but not anymore in Europe. This species (group) is a taxonomic minefield and most of the European population consists of (sub-)species hybrids. In recent years this species was actively phased out in the main zoos still holding this species, with now only animals left in 2 Eastern European zoos.

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@ro6ca66 Allen's swamp monkey are on their last legs in Europe

Progress
14/22 orders completed
39/106 families completed
154-158 species present in 2000
156 species present in 2023
45-48 species gained since 2000
45-48 species lost since 2000
 
Though in 2022 Zoo Hamerton imported 1.2 animals from the US, so while on the decline, it isn’t a dead end yet, but all depends on Hamerton Zoo and whether they can start breeding this species too

Unfortunately it seems that Hamerton lost their male.
 
At first it seemed like species gained was higher than species lost with all those marsupials early on in the thread but now species gained and lost are equal. It will certainly be interesting to see where the numbers are at the end.
 
Malbrouck monkey - Chlorocebus cynosuros B5*?
In recent decades this species was only kept in 2 Portuguese zoos. Zoo Lisbon kept this species until 2009 and Monte Salvegem in Montemor-o-novo kept this species until at least 2014, but not anymore in 2021. These green monkeys are always difficult to assign to any given species in captivity, but given the clear links between Portugal and Angola, I am inclined to treat these holdings as true Malbrouck monkeys.
I would not take this with so much certainty with Angola in a brutal civil war in the 90s and with most of the African stock that Lisbon Zoo obtained in the 90s coming from Namibia and South Africa. Lisbon Zoo had a good supply of animals while Portugal had colonies, but after their independence, the relationship between that institution and the former colonies has been nearly zero.
 
Bale green monkey - Chlorocebus djamdjamensis B5*
Another very rarely kept monkey, which disappeared from Europe in 2010. This species was kept and bred in Zoo Jihlava, Czechia, between 1978-2009 and a single confiscated animal was kept 2009-2010 in Zoo Bojnice, Bratislava, which also kept the species until 2007.

Some details. A serum and vaccine research institute in Konárovice (east of Prague) used to import monkeys (usually macaques and vervets) for testing purposes - buying from usual wholesale animal traders I guess. When they found strange looking animal in a group of freshly arrived green monkeys, Dr. Černá called the then befriended director of Jihlava zoo for help. The director visited the institute and couldnt identify the species either, but bough him and brought back to the zoo. Later 3 females could be found among imports and were obtained too. This group of 1,3 bred and produced 18 younsters - some of them retained, some of them sold.

Source - memoirs of Mr. Jiroušek, former zoo director

My pic (the only one on ZTL) shows the last 2 old animals during my visit in autumn 2005 (I think).
 
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Owl-faced monkey - Cercopithecus hamlyni
While this is an EEP managed species the population has declined quite a bit this decade and only a few zoos are still breeding this species. While this species could hang on in Europe, it is apparently hard to turn things around. Though there was a low point a few years ago when only 2 French zoos still bred this species, but in recent years both Zoo Leipzig, Zoo Antwerpen and Zoo Berlin had some breeding success. With around 20 individuals the population is vulnerable.
I wouldn’t count on the breeding success of Antwerp since it was mentioned in the Antwerp thread, by KevinB, that the female there “having had several youngsters with a hereditary form of rachitis, and the most recent young (Xavier) having to be euthanized for that reason”. This is also why the female in question is on birth control.
 
I would not take this with so much certainty with Angola in a brutal civil war in the 90s and with most of the African stock that Lisbon Zoo obtained in the 90s coming from Namibia and South Africa. Lisbon Zoo had a good supply of animals while Portugal had colonies, but after their independence, the relationship between that institution and the former colonies has been nearly zero.

Looking at pictures from Portuguese zoos, the animals do look like true Malbrouck's monkey with the paler facial skin and the darker olive back. The species also occurs in N Namibia.
 
Looking at pictures from Portuguese zoos, the animals do look like true Malbrouck's monkey with the paler facial skin and the darker olive back. The species also occurs in N Namibia.
I'm referring to the connection between Lisbon zoo/Portugal and Angola.
 
I'm referring to the connection between Lisbon zoo/Portugal and Angola.

Given I, admittedly erroneously, linked these animals with Angola and used that as evidence for their species identification, I assumed you also called into question the ID of these monkeys. But no harm done.
 
About the callithrix jaccus is importante to appoint the fact that there are a buncillion of them on the black market

A lot of Zoo receive them directly from animal refugee and association when they are confiscated .So, yes they are in phaze out and breeding is strongly unnecessary because if you want them there is a continuos supply
 
Species gaining popularity

Garnett’s greater galago - Otolemur garnetti

This is IMO *the one* species, where numbers do not tell the story and actually mislead and "sugarcoat" the situation...

Multiple breeding pairs are actually 2 in Prague and Ostrava as far as I am concerned, Plzen lost their elderly pair and now has a bachelor group, and Jihlava's pair has done nothing for the past two years, so unless Riga has managed to produce something... I can't help but feel for Garnett's it is more of a dead end, unless someone balances that male bias by importing females from the USA where they apparently have the reverse issue, but so far I haven't heard about anyone having such intention.

The genetic diversity might be very low as well, not like it stopped zoos before though, but in that context, it is quite tragic that specimen that could've been a source of new fresh genes ended up sterilized(?) in freaking Alameda (thanks Stichting, very cool).
 
About primates, I think there could be more species in Europe in 2000 but not identified. It was before the trend of splitting subspecies into many similar species often difficult to identify visually.
 
This is IMO *the one* species, where numbers do not tell the story and actually mislead and "sugarcoat" the situation...

Multiple breeding pairs are actually 2 in Prague and Ostrava as far as I am concerned, Plzen lost their elderly pair and now has a bachelor group, and Jihlava's pair has done nothing for the past two years, so unless Riga has managed to produce something... I can't help but feel for Garnett's it is more of a dead end, unless someone balances that male bias by importing females from the USA where they apparently have the reverse issue, but so far I haven't heard about anyone having such intention.

The genetic diversity might be very low as well, not like it stopped zoos before though, but in that context, it is quite tragic that specimen that could've been a source of new fresh genes ended up sterilized(?) in freaking Alameda (thanks Stichting, very cool).

That is sad to hear, still a major difference compared to a single breeding group though... The couple in Prague produced an (in the annual report) unsexed young last year, that really needs to be a female then... It is surprising how many primates are seriously male biased, from crowned sifaka (but not in the closely related Coquerel...) to Venezuelan red howler and Guianan bearded saki it is a serious problem, though the Garnett example might be the most extreme example. I know there are multiple theories about male biases such as nutritious food supply, but it seems important for zoos to figure this out in the long run...
 
Baboons and allies - Papionini
# Species kept 1-1-2000: 29
# Species kept currently: 27 (-2)
# Species gained: 1
# Species lost: 3


This group contains the mangabeys, baboons and macaques and out of the 48 recognized species 30 different ones have been kept in Europe this century.

Species gained

Heck’s macaque - Macaca hecki A4*♱
A pair was acquired by the Howletts Wild Animal Park in 2007 from the Schmutzer Primate Centre in Jakarta. In 2009 the European first breeding occurred, but the current owner isn’t interested in rare primates. The last remaining animal is now kept behind the scenes, which means that the only new macaque species this century will almost certainly be gone from Europe too in the coming years.

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@gentle lemur Heck's macaque will soon be gone from Europe again

Species lost

Agile mangabey - Cercocebus agilis B5*
Dierenpark de Wissel, Epe, in the Netherlands long kept a small group of this species and was long the only holder of this species. The only other zoos to keep this monkey simultaneously was the Menagerie/Jardin des Plantes in Paris in the 1990s. When de Wissel closed in 2015 the remaining 2 mangabeys went to Zoo delle Maitine in Pesco Sanita, Italy, where they were kept until at least 2018

Assam macaque - Macaca assamensis B5*
This was always a very rare macaque in Europe, with a few zoos having breeding groups in the 20th century. In recent decades always confined to Bioparco di Roma, where the last animal died in 2011 after being the last survivor for years. For some reason Zoo Dresden’s lion-tailed macaque are listed as Macaca assamensis on Species360.

Tibetan macaque - Macaca thibetana B5*
Another species that was always rare in Europe, with only 4 known former holdings, of which only 2 were long term, Tierpark Berlin until 1985 and Zoo Barcelona. Zoo Barcelona kept the species until at least 2002 and lost the final animals somewhere in the first decade of the century.

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@Cephie Dierenpark de Wissel long kept the only agile mangabeys known outside of Africa

Species gaining popularity

White-naped mangabey - Cercocebus lunulatus
At the start of the century, this was a rare species that had just started to spread from the three main founding breeding groups in Zoo Barcelona, Bioparco di Roma and the Menagerie/Jardin des Plantes in Paris. Nowadays it is the go to mangabey for zoos that are looking to acquire a mangabey. Its endangered status and clear link to in situ conservation via the WAPCA make it the top mangabey for the few zoos interested in these enigmatic primates.

Gelada - Theropithecus gelada
Baboons have long been a staple in zoos and no large zoo was complete without a monkey rock, which was often filled with baboons. The “real” baboons have become less sexy in recent decades and plenty of zoos have problems with getting rid of surplus animals. Not so with gelada, this was long a rare species with just a few breeding groups on the continent, but their unique appearance, EEP status and love for hilly lawns make them perfect animals for most zoos. They can also be mixed with caprines, hyraxes and waterfowl relatively easily, so that makes them good exhibit animals too. The main sources of the spread and long term holders were Naturzoo Rheine and Zoo Zurich.

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@Therabu Gelada are one of the few old world primates whose population is growing quickly

Species losing popularity

Golden-bellied mangabey - Cercocebus chrysogaster
If only their IUCN status was changed from Data Deficient to Endangered before the TAG decided to choose the future EEPs of old world monkeys, their future could have looked different. While always a rather rare species, with the 2 main breeding groups in Zoo Wuppertal and Zoo Budapest, the discontinuation of the EEP and Zoo Wuppertal choosing lion-tailed macaques and Colombian black spider monkeys over the mangabeys could well be a death sentence. Only 10 years ago new blood was imported from the USA to aid the small European population. Now limited to a few zoos and breeding has almost ceased, so unless interest is renewed, this species is on its way out.

Crab-eating macaque - Macaca fascicularis
This was one of the 2 standard macaque species in zoos and is a popular laboratory animal. This species is now quickly disappearing from major zoos and even in smaller zoos this species is becoming less common.

Rhesus macaque - Macaca mulatta
The other standard macaque species, which is also disappearing from major zoos, though still more common than the crab-eating macaque. Both rhesus and long-tailed macaques are increasingly phased out to make place for nothing or for more endangered macaque species. With the decision to phase-out Japanese macaque in favour of the already ubiquitous barbary macaque, soon a 3rd formerly very common macaque species could join the list.

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@Rayane Despite being endangered, golden-bellied mangabey face a bleak future in Europe

Dead ends

Sooty mangabey - Cercocebus atys
This species was kept in a large number of zoos in the 19th and 20th century, with Zootierliste listing close to 60 former holdings. The current population numbers exactly 1, a single animal kept in Europaradise Parque Zoologico in Montemor-o-Velho, Portugal.

Stump-tailed macaque - Macaca arctoides
If there ever was a beauty contest among mammals, the stump-tailed macaque would be guaranteed to get one of the bottom spots. While commonly kept as a laboratory mammal and being a hardy species, listed as vulnerable, there is hardly any interest from zoos. The current population is non-breeding and ageing and kept in 3 different zoos. It would have been a good alternative next to barbary macaque as a hardy species, but there seems to be no interest and the European population is now guaranteed to die out.

Northern pig-tailed macaque - Macaca leonina
This was always the much rarer of the 2 pig-tailed macaque species and only 9 former holdings are known. The species was kept in 3 zoos this century, of which a few females in Europaradise Parque Zoologico in Montemor-o-Velho, Portugal are all that is left. This species has hybridised in at least Bioparco di Roma with their southern cousin.

Moor macaque - Macaca maura
Another species that is down to a few aging individuals. This species wasn’t too uncommon in the 1970s but at the time most Sulawesi macaques were lumped as a single species, so hybridization was common and the remaining animals could also partly be hybrids. Hybrids or not, within a decade this species will probably disappear from Europe. Tonkean macaque (Macaca tonkeana) could face the same fate if breeding is now halted in all zoos keeping them.

Yellow baboon - Papio cynocephalus
While most zoos that allegedly keep or kept this species do in fact house olive baboons or hybrids, there used to be a few pure yellow baboons around. Now the only holding is in Agüimes, Parque de los Cocodrilos, in Spain and this species is sure to disappear.


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@gentle lemur Stump-tailed macaques are fascinating, but not exactly poster boys or girls

Progress
14/22 orders completed
39/106 families completed
183-187 species present in 2000
183 species present in 2023
46-49 species gained since 2000
48-51 species lost since 2000
 
The Macacque are like the big losers of monkey in zoo. They have a lot of issue with zoonotical disease and the fact that they live in big group can make them a biological bomb as enclosure.

The people don't like them with exception of some strange species like the lion tail and sulawesi (they resemble a pony version of Gorilla).

The macacque moat is generally people throwing things and animals that scream and beat each other. And if something happen the keeper had to go full hazmat

Is sad but if i was a zoo director they will be like the last species that i would choose to exhibit. The exploit of new world primates Is also for these pratical issue
(The Gaur/Banteng diatribe have the same roots)
 
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Northern pig-tailed macaque - Macaca leonina
This was always the much rarer of the 2 pig-tailed macaque species and only 9 former holdings are known. The species was kept in 3 zoos this century, of which a few females in Europaradise Parque Zoologico in Montemor-o-Velho, Portugal are all that is left. This species has hybridised in at least Bioparco di Roma with their southern cousin.
The macaques are at Monte Selvagem, not Europaradise Parque, however they are also hold the southern species and, having visited there, are kept in one large group so i am personally skeptical of their species purity, i wouldnt be surprised if they were hybridised unfortunately

Also I’d like to add that this thread is incredible and you’re doing a great job Lintworm:)
 
One of the most interesting groups of animals I have ever seen were the Tonkean macaques I saw at Strasbourg Zoo. I saw the same species at Mulhouse Zoo the following day.
 
I'm sure others can confirm, but only the two females were seen on my visit this weekend and had access to the whole complex.
Been down to two for quite a while, at least since my first visit of the year back in February.

Great thread by the way @lintworm, another contender for thread of the year. :)
 
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