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The "birdsandbats" Guide to Domestic Animals

Discussion in 'Wildlife & Nature Conservation' started by birdsandbats, 11 Jun 2018.

  1. birdsandbats

    birdsandbats Well-Known Member 5+ year member

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    Dromedary Camel Camelus dromedarius
    Ancestor: Thomas' Camel Camelus thomasi
    Domestication Date: circa 4000 BCE
    Reasons for Domestication (original): transportation, working, milk, hair, meat
    Current use: transportation, working, milk, hair, meat, hunting
    Location domesticated: Arabia

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    Photo of a Dromedary Camel by @zoo_enthusiast at Lehigh Valley Zoo, United States

    At the time of this writing, there are no photos of the Thomas' Camel in the ZooChat gallery.
     
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  2. birdsandbats

    birdsandbats Well-Known Member 5+ year member

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    Domestic Horse Equus ferus caballus
    Ancestor: unknown population of Wild Horse Equus ferus
    Domestication Date: circa 3500 BCE
    Reasons for Domestication (original): work, transportation, herding
    Current use: work, transportation, meat, therapy, herding, show, racing
    Location domesticated: Kazakhstan

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    Photo of a Domestic Horse by @Maguari at Berlin Tierpark, Germany

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    Photo of Wild Horses by @Moebelle at The Wilds, United States
     
    Last edited: 12 Jun 2018
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  3. TeaLovingDave

    TeaLovingDave Moderator Staff Member 10+ year member

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    Not quite; the paper which claimed this was based on pretty shaky assumptions, not even considering the much more likely option that the Botai horses represent a domestication event so recent (at the time of their existence) that their genome had not yet diverged from their wild kin.
     
  4. birdsandbats

    birdsandbats Well-Known Member 5+ year member

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    I'll change it. :)
     
  5. birdsandbats

    birdsandbats Well-Known Member 5+ year member

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    Domestic Silkmoth Bombyx mori
    Ancestor: Wild Silkmoth Bombyx mandarina
    Domestication Date: circa 3000 BCE
    Reasons for Domestication (original): silk, meat
    Current use: silk, meat, animal food
    Location Domesticated: China

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    Photo of domestic silk worm caterpillars by @Kakapo

    At the time of this writing, there are no photos of the Wild Silkmoth in the ZooChat gallery.
     
    Last edited by a moderator: 29 Jun 2018
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  6. birdsandbats

    birdsandbats Well-Known Member 5+ year member

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    Domestic Pigeon Columba livia domestica
    Ancestor: Rock Pigeon Columba livia
    Domestication Date: circa 3000 BCE
    Reasons for Domestication (original): carrying messages
    Current use: show, racing, meat, ornamental
    Location Domesticated: Mediterranean

    [​IMG]
    Photo of a Domestic Pigeon by @zoogiraffe in a private collection, United Kingdom

    At the time of this writing, there are no photos of the Rock Pigeon in the ZooChat gallery.
     
    Last edited: 12 Jun 2018
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  7. TeaLovingDave

    TeaLovingDave Moderator Staff Member 10+ year member

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  8. birdsandbats

    birdsandbats Well-Known Member 5+ year member

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  9. birdsandbats

    birdsandbats Well-Known Member 5+ year member

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    Domestic Greylag Goose Anser anser domesticus
    Ancestor: Greylag Goose Anser anser
    Domestication Date: circa 3000 BCE
    Reason for Domestication (original): meat
    Current use: meat, eggs , feathers, show, pest control, ornamental
    Location Domesticated: Egypt

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    Photo of a Domestic Greylag Goose by @Astrobird at Cairns Wildlife Safari Reserve, Australia

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    Photo of wild Greylag Geese by @Macaw16 at Animal Education Centere, United Kingdom
     
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  10. Swampy

    Swampy Well-Known Member 10+ year member

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    If i recall correctly, Chester's birds are pure rock pigeon/rock dove, meaning that this photo shows the correct taxon: Rock Doves (Columba livia) Mating | ZooChat
    I may be mistaken though, so let's wait to see if anyone confirms/corrects that :p
     
  11. gentle lemur

    gentle lemur Well-Known Member 15+ year member

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    I do not think that they are pure. I disliked one specimen at Chester so much that I deleted a decent photograph of it - which was stupid, as it would have proved my point now. This bird had partially-feathered tarsometatarsi, which can also be seen in the female in bongorob's photo. I'm sure this indicates that they have some genes from domestic pigeons.
     
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  12. Chlidonias

    Chlidonias Moderator Staff Member 15+ year member

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    The original purpose of domestication was for carrying messages?? Where are you getting your information from?
     
  13. Chlidonias

    Chlidonias Moderator Staff Member 15+ year member

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    That's not how taxonomy works. "Scientists" don't just use something as a "filler species" when they don't know an ancestry.
    .
     
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  14. birdsandbats

    birdsandbats Well-Known Member 5+ year member

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    The information very well may be wrong. I'll do some more research, but fell free to change it if you know the actual information. :)
     
  15. TeaLovingDave

    TeaLovingDave Moderator Staff Member 10+ year member

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    No, it really isn't :p it is the taxonomic name for a species which was present in North Africa and the Middle East during the late Pleistocene and which has been proposed as a candidate for the wild ancestor of the Dromedary; however the species differs from the latter in several distinct aspects including size and cranial dimensions. Other proposed origins for the Dromedary include a second domestication event from Camelus ferus in addition to the one which led to the Bactrian Camel, hybridisation between C. thomasi and C. ferus, hybridisation between C. thomasi and C. bactrianus, and domestication from a wild ancestor distinct from either C. ferus or C. thomasi, potentially synonymous with the patchily known extinct subspecies Camelus dromedarius dahli.

    Doing any research would be a good start.
     
  16. birdsandbats

    birdsandbats Well-Known Member 5+ year member

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    That's kind of rude. I did do research, but apparently not enough. I will continue to do it.
     
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  17. TinoPup

    TinoPup Well-Known Member 5+ year member

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    Why are you doing some changes but ignoring my comment?
     
  18. TeaLovingDave

    TeaLovingDave Moderator Staff Member 10+ year member

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    The "dogs are not descended from wolves" theory as proposed by Manwell & Baker has been pretty soundly discredited in recent years, as a result of comprehensive molecular sequencing and research published by several researchers - most recently Freedman et al and Larson et al. These demonstrated that the domestic dog is deeply nested within Canis lupus.

    As such, in this case he is correct not to edit his original statement.
     
  19. TinoPup

    TinoPup Well-Known Member 5+ year member

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    That second link isn't working for me, but thanks. I haven't seen that before. However, the first link doesn't support the idea that dogs originated from gray wolves instead of them both being from a common ancestor. Two relevant quotes:

    "Thus regardless of our assumptions on the identity of the wolf population from which dogs originated, we infer that dogs diverged from the sampled wolf populations at about the same time these wolf populations diverged from each other."

    "Another alternative is that the wolf population (or populations) from which dogs originated has gone extinct and the current wolf diversity from each region represents novel younger wolf lineages, as suggested by their recent divergence from each other (Figure 5A). Our inference that wolves have gone through bottlenecks across Eurasia (Figures 3B, 5A) suggests a dynamic period for wolf populations over the last 20,000 years and that extinction of particular lineages is not inconceivable. Indeed, several external lines of evidence provide support for substantial turnover in wolf lineages."

    The two other alternatives were both described as "unlikely".
     
  20. TeaLovingDave

    TeaLovingDave Moderator Staff Member 10+ year member

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    Actually, the very quote you highlighted supports the former hypothesis:

    "Thus regardless of our assumptions on the identity of the wolf population from which dogs originated, we infer that dogs diverged from the sampled wolf populations at about the same time these wolf populations diverged from each other."

    To put this quote another way....

    A = Dog
    B = Wolf 1
    C = Wolf 2
    D = Wolf 3

    If the last common ancestor of B, C and D (X) occurred at the same time as the last common ancestor of A and B/C/D (Y), implicitly X and Y are one and the same and the only way to maintain Canis lupus (B/C/D) as a monophyletic unit is to include A within the species.