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    Hugo Voigts
    Aug 16, 2020

    Cool Brimstone Canary

    Seen this morning at home in Paddock, Southern KZN. Not so sure what to call it...partial leucistic?

    7 comments
    Adam Cruickshank
    Aug 16, 2020

    Very interesting bird

    0
    Calvin Harris
    Aug 17, 2020

    @Niall Perrins is this leucism?

    0
    Niall Perrins
    Aug 17, 2020  ·  Edited: Aug 17, 2020

    Yes I would say so: "the degree of leucism varies with a bird's genetic makeup. But the skin and eyes remain their normal pigment and color.". This is a partially leucistic bird with only some feathers being white - in some cases all of the feathers are white, however the eye and other bare parts generally retain their normal colour - albinism is when the bird is totally white and the eyes and bare parts lack pigment, being pink. (Partial albinism is not possible.) Interestingly, it is thought that very few albinos reach adulthood. In leucistic birds, the white feathers are not as strong as those containing pigment, which causes them to weaken and in cases weaken flight, making them more prone to predation.

    Lynette Boshoff
    Aug 19, 2020

    That's really interesting. Thank you for sharing

    0
    Adam Cruickshank
    Aug 17, 2020

    It's interesting that @Zach Simpson says that he has seen a lot of Drongo's like this if I recall correctly in the Harding area

    0
    Zach Simpson
    Aug 17, 2020

    Seen African Stonechat, Kurrichane Thrush and Fork-tailed Drongo recently with partial Leucusim

    Adam Cruickshank
    Aug 18, 2020

    @Hugo Voigts saw this now on the Birdlife Port Natal WhatsApp Group https://www.bto.org/our-science/projects/gbw/gardens-wildlife/garden-birds/behaviour/plumage

    0
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