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by Scottie Westfall

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Melanistic golden jackal discovered in Turkey

January 11, 2013 by SWestfall3

Melanistic golden jackal and normal-colored mate.. Photo courtesy of Can Bilgin and Hüseyin Ambarlı.

Melanistic golden jackal and normal-colored mate.. Photo courtesy of Can Bilgin and Hüseyin  Ambarlı.                                                

Melanism in dogs, wolves, and coyotes has been a source of great interest to molecular biologists in recent years.

For example, it has been confirmed that black coyotes and black wolves in Italy and North America gained their black coloration through cross-breeding with domestic dogs.

But domestic dogs have two variants of melanism. The most common form– and the type found in Italian and North American wolves and coyotes— is inherited via dominant allele. But there is another form, which is related to the sable coloration, that is inherited via a recessive allele. This recessive black may have been indicated in at least one Russian wolf, but all modern black wolves that have been examined thus far have turned out to be dominant blacks that inherited their black coloration from the introgression of domestic dog genes.

However, a recent discovery of a black golden jackal in northeastern Turkey might be the first example of a melanism in an interfertile Canis species that did not originate in the domestic dog.

Between February 2009 and April 2010, a camera trap near the city of Artvin captured images of this black golden jackal and its normal-colored mate.

The documentation of this jackal appears in the journal Mammalia in December 2012, and the authors suggest that this jackal likely did not receive its black coloration from its ancestors crossing with domestic dogs.

Although golden jackals and domestic dogs are interfertile, cross-breeding between them in the wild has not been documented– though it certainly is possible. The black coloration in red foxes is entirely unrelated to any of the black coloration in domestic dogs, and it is likely that this black jackal is the result of an entirely different mutation that has not yet been documented.

Unfortunately, no physical samples from this jackal exist, so we cannot know for certain what genetic mechanism made this jackal black.

As far as I know, no further black golden jackals have been documented in the area, so this individual either left no offspring or it is inherited via a recessive allele– and thus different from the dominant black in wolves and coyotes.

 

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Posted in wild dogs | Tagged black jackal, golden jackal, melanistic jackal | 5 Comments

5 Responses

  1. on January 11, 2013 at 9:43 pm landauer

    Wow, you’re thanked by name in the Acknowledgments of that published study. That’s quite excellent.


  2. on January 12, 2013 at 6:03 am Shah

    There seriously need to be translations of German studies on this species, specifically on jackal hybridisation. Seitz (1959) crossed jackals with coyotes, and a 2004 book published by Hundepsychologie goes into great detail on jackal-dog hybrid experiments. For once, the English-speaking world is missing out on important Canid information.


    • on January 12, 2013 at 10:25 am retrieverman

      That’s a big issue,and it’s not like there are no English speakers in Germany.


  3. on January 14, 2013 at 10:35 am Peggy Richter

    i’ve yet to come across a study showing the percent of K dominant black dogs vice a recessive black dogs. It’s an interesting issue in Belgian shepherds as they come in both versions. Nor has there ever been a study of any physical or tempermental or autoimmune differences between K black and a black. I’m sure a major reason for this is that it is really only very recently that the K and a genes for black were identified. If you know of any such studies, I would much appreciate knowing of them also– from talks and “guessing” at if a dog were K or a black, I have some rough theories that there ARE some differences, including coat texture and the tendency for “rust” (reddening of the tips of the coat hair in longer coated black dogs due to environmental factors), but I’d love to know if anyone has actually done something formal.
    It may well be that the color genes in canids are susceptable to shift to both the recessive and dominant black.


    • on January 14, 2013 at 11:42 am Dave

      Come up with a disease in human which is shown to be co-dependent on being melanistic then. After all, dog genetics is only researched to find links to human disorders.



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