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Species we have lost over the last quarter of a century

Discussion in 'Europe - General' started by TeaLovingDave, 12 May 2015.

  1. Dylan

    Dylan Well-Known Member 5+ year member

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    We have lost so many species. Could a similar list for species we've gained?
     
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  2. Chlidonias

    Chlidonias Moderator Staff Member 15+ year member

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    yes they're still there, and they are Zosterops consobrinorum.
     
  3. Paradoxurus

    Paradoxurus Well-Known Member 15+ year member

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    I saw one at the British Wildlife Centre (Lingfield) last weekend.

    I suspect that these are regularly held, albeit temporarily, for rehabilitation.
     
  4. TeaLovingDave

    TeaLovingDave Moderator Staff Member 10+ year member

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    Interesting; similarly there are a *lot* of bat species listed as current holdings at Brno due to the fact this collection has an onsite rehabilitation centre.
     
  5. Paradoxurus

    Paradoxurus Well-Known Member 15+ year member

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    Likewise Budapest Zoo has a wildlife rehabilitation centre onsite. Mostly birds are held there but I spotted some bats (unidentified) on a visit last month.
     
  6. Shorts

    Shorts Well-Known Member 10+ year member

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    I think I tried this once (or commented on it or thought about it -on holiday at moment so brain in relaxation mode) -try searching the forums (threads started by me).

    I don't think the thread (if it exists) has been as popular as this one -misery loves company. :D
     
  7. TeaLovingDave

    TeaLovingDave Moderator Staff Member 10+ year member

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    Let's get another big group or two of passerines done, and go through Starlings and Sparrows.....


    Starling taxa lost since 1990

    Vinous-breasted Starling
    (Acridotheres burmannicus) - last held in 2003 at Plzen. Despite several European collections holding this species during the time-span in question, the only images of this taxon within the Zoochat gallery are of captive individuals in Asia.

    Singing Starling (Aplonis cantoroides) - last held in 2007 at Vogelpark Avifauna. There are no images of this taxon within the Zoochat gallery.

    Nias Hill Mynah (Gracula robusta) - last held in 1994 at Walsrode. There are no images of this taxon within the Zoochat gallery.

    Purple-headed Glossy Starling (Hylopsar purpureiceps) - last held in c.1993 at Zoo Hoyerswerda. There are no images of this taxon within the Zoochat gallery.

    Burchell's Glossy Starling (Lamprotornis australis) - last held in c.1997 at Zoo Aschersleben. The only images of this taxon within the Zoochat gallery are of a wild individual in Africa.

    African Pied Starling (Lamprotornis bicolor) - last held in 2016 at Chester Zoo. Despite the fact several European collections have held this taxon within the last decade, there is only a single photograph of this taxon within the Zoochat gallery, taken at Chester Zoo in 2013:

    [​IMG]


    Bronze-tailed Glossy Starling (Lamprotornis chalcurus) - last held in 2011 at
    Tiergarten Schönbrunn. There are no images of this taxon within the Zoochat gallery.

    Chestnut-bellied Starling (Lamprotornis pulcher) - last held in 2009 at Bioparc Roma. There are no images of this taxon within the Zoochat gallery.

    Golden Myna (Mino anais) - last held in c.2014 at Walsrode, one of several collections to hold the species in recent decades. There are a few images of this taxon within the Zoochat gallery, including the following photograph taken at Walsrode in 2010:

    [​IMG]

    Black-bellied Starling (Notopholia corrusca) - last held in 2001 at Tierpark Hellabrunn. There are no images of this taxon within the Zoochat gallery.

    Neumann's Starling (Onychognathus neumanni) - last held in 2011 at Paignton. There are no images of this taxon within the Zoochat gallery.

    White-cheeked Starling (Poliopsar cineraceus) - last held in 2002 at Parken Zoo. There are no images of this taxon within the Zoochat gallery.

    White-necked Myna (Streptocitta albicollis) - last held in 2013 at Plzen, one of several European collections to hold the species in recent decades. The only image of this taxon within the Zoochat gallery is the following photograph taken in 1988 at Walsrode:

    [​IMG]



    Sparrow taxa lost since 1990

    Saxaul Sparrow (Passer ammodendri) - last held in c.1997 at Tierpark Berlin. There are no images of this taxon within the Zoochat gallery.

    Arabian Golden Sparrow (Passer euchlorus) - last held in c.2005 at Solingen-Gräfrath Tierpark-Fauna. There are no images of this taxon within the Zoochat gallery.

    Spanish Sparrow (Passer hispaniolensis) - last held in 1997 at Moscow. There are no images of this taxon within the Zoochat gallery.

    Southern Rufous Sparrow (Passer motitensis) - last held in 2005 at Vogelpark Metelen. There are no images of this taxon within the Zoochat gallery.

    White-rumped Snowfinch (Pyrgilauda taczanowskii) - last held in 1996 at Tierpark Berlin. There are no images of this taxon within the Zoochat gallery.
     
  8. KevinVar

    KevinVar Well-Known Member

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    From what I understand now, the rehabilitation centre isn't actually on the same site as the zoo, but located about 5 kilometers away from it. The site may (or may not) belong to the zoo but I'm not sure if it can be seen as a literal part of the zoo.
     
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  9. FBBird

    FBBird Well-Known Member 10+ year member

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    There are apparently very few left now, probably single figures
     
  10. TeaLovingDave

    TeaLovingDave Moderator Staff Member 10+ year member

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    A bunch of very interesting owl photographs have recently been posted to the Zoochat gallery pertaining to the following species discussed previously:

    Wassenaar 1972

    [​IMG]

    Antwerp 1990

    [​IMG]

    London 1975

    [​IMG]


    London 1975

    [​IMG]

    And most significantly, given the fact that until the following photograph was uploaded there was - to the best of my knowledge - only a single image of a living individual of this species known to exist.....

    Antwerp 1975

    [​IMG]

    Many, many thanks are due to @Ed Hazebroek , who posted these photographs to the gallery.
     
  11. Carl Jones

    Carl Jones Well-Known Member 5+ year member

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    This is a fascinating thread and we really need students to take this subject up as projects and analyse the data. Why do these species die out in captivity? Many have small populations that are not viable, but many do well for a generation, or so, and then collapse.

    Several of the species I have worked with in zoos have done well for a while, such as Telfair's Skink, Gunther's Gecko, Pink Pigeon, Rodrigues Fody, and then the populations collapse and often die out. Another the Rodrigues Fruit Bat is doing very well in captivity. We need to understand a lot more about the population dynamics of captive animals.
     
  12. TeaLovingDave

    TeaLovingDave Moderator Staff Member 10+ year member

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    Another example which has been discussed at some length in this thread being the Gough Island Moorhen - perhaps the species highlighted in this thread which had been represented in the most collections during the timespan under discussion!
     
  13. Carl Jones

    Carl Jones Well-Known Member 5+ year member

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    Of course captive populations do not necessarily need to be self-supporting and with common widely spread species it is not a priority. Hence no one need worry about having self supporting captive populations of Red Foxes, Racoons, Tawny Owls or Common Buzzards. Where we do need long-term captive populations is with those species that are rapidly declining in the wild and where we require animals for study and conservation, and also those species that are needed for display but difficult to source from the wild. What is clear is that there is both limited capacity and many species, because of life history characters, are not appropriate to keep in captivity for multiple generations. It is often not realised how many animals are required to sustain zoo populations long-term without running into the problem of inbreeding that affected the Gough Moorhen population.
     
  14. TeaLovingDave

    TeaLovingDave Moderator Staff Member 10+ year member

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    Of course, one of these species is due for inclusion within this thread within the next decade or two......
     
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  15. Chlidonias

    Chlidonias Moderator Staff Member 15+ year member

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    I think it unlikely raccoons will be able to be eradicated from Europe. They are found in large populations over numerous different countries. Probably the most that could be hoped for is control rather than eradication.
     
  16. TeaLovingDave

    TeaLovingDave Moderator Staff Member 10+ year member

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    In the wild, yes; however this thread pertains solely to captive collections, and it is these which are now in the process of phasing out the species :p looking at ZTL, of the 422 collections listed as holding Procyon lotor, they break down as follows:

    386 holdings are located within countries subject to the new regulations.

    27 holdings are located in countries/locations which are not counted as European for the purposes of this thread - the French Overseas Territories, Israel, Kuwait and Russia.

    8 holdings are located in countries which are either actively undergoing the process of joining the EU (Serbia) or have started the initial stages of this process (Ukraine) and which therefore are likely to be subject to the new regulations within the next 10-15 years.

    1 holding is located in a country - Belarus - which is neither subject to the new regulations nor in the process of applying to the EU.

    As such barring any changes in the scope of the regulations in question, and assuming a maximum captive lifespan of 20 years, then the species may well be held in fewer than half a dozen European collections at the end of that timespan.
     
  17. Chlidonias

    Chlidonias Moderator Staff Member 15+ year member

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    hmm, I'm sure there had been a provision in the legislation to allow zoos, of Member States in which a relevant species is established in the wild, to hold individuals for certain purposes in a non-breeding condition (so, for example, it would cover raccoons in Germany but not coatis). But I cannot see that at all now, so if it was there (and if it wasn't just my imagination, which seems unlikely) it must have been removed in the finalised version.
    .
     
  18. Carl Jones

    Carl Jones Well-Known Member 5+ year member

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    This is an important example of a species that was apparently doing well and then the population collapsed and the species died out. Since it is an island endemic with a relatively small population, I can see that many collections would have liked to keep it especially when they were rather unusual in collections.

    In a previous discussion on this thread, it was suggested that it died out due to inbreeding depression, and was hybridised with the common moorhen, which would have diluted its appeal. A common cause of population collapse in captivity is because of institutional and keeper fatigue, and the urge to keep something different. In my experience zoo marketing people are always looking for new stories. With the Pink Pigeon many zoos tired with it and wanted a species that was more spectacular for the public, and easier to keep, and some shifted to some of the rarer Bleeding-heart Doves.

    Zoos will always keep populations of the popular high profile animals, such as giraffes, meercats, gorillas, lions, tigers, macaws and peafowl, but the more obscure species, that appeal to fewer visitors, will I suspect always go through boom and bust cycles.
     
  19. zoogiraffe

    zoogiraffe Well-Known Member

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    @Carl Jones ,Funny you should comment about zoo marketing,as a certain zoo that shall remain nameless,have a zoo marketing department that sat on what to most people on zoochat was very big news,because they deemed another litter of Meerkats and any number of none story's more important,than the first breeding outside of its native New Zealand of a Tuatara,so they sat on it for over 12 months,pity the world where a marketing department that cannot be educated as to what is real news,when you have a new litter of Meerkats. Hopefully the day will come when important story's like this become news,but I don't hold much hope on this happening as they have no wish or desire to educate people or even work for a living by actual making a story become news!
     
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  20. vogelcommando

    vogelcommando Well-Known Member 10+ year member

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    Can add photos of "lost" species from an European collection :
    - Saffron toucanet - entitles as Gold toucan - at Wisbroek Breeding Center in the Netherlands. I'm quite sure that it will pop-up in public collections as soon as it is bred in some number at said collection ( BTW took care for this species myself at Walsrode in the 1980-ties, didn't take any photos of it during that time :( ).
    See : Gold toucan | ZooChat
    -Spot-billed toucanet - also photographed earlier this month at Wisbroek Breeding Center, the first photographs of this species in the Gallery !
    See : Spot-billed toucanet | ZooChat