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Thread: Greenfinch

  1. #1
    Macro and Flora Moderator Jonathan Ashton's Avatar
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    Default Greenfinch

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    Canon 7D Canon 100-400 L IS ISO 800 -0.3 1/3200 f7.1

    This Greenfinch has a vesicle on it's cheek - probably due to avian pox virus.

    All C & C welcome.

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    Good background again although i would do something with the brown right hand edge. I like the sharpness and angle of flight are much better in this shot. The pose is not my favourite and the light looks a little harsh.

    I think that is a large tick on the bird's face. Avian pox typically looks quite different to this. An interesting thing to capture.

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    Lifetime Member Doug Brown's Avatar
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    Sharpness is getting better and better Jonathan. Not an easy shot against a varied BG. Are you prefocusing?
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    Great Bg and sharpness...Quick trigger finger They are getting better with each post!

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    Super Moderator Daniel Cadieux's Avatar
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    Sharpness looks great, and you have a nice BG. I'd prefer an up or down wing stroke. I agree this looks like a tick on its face...whatever it is I wish it wasn't there.

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    Excellent sharpness and love the 3D look, I would prefer more wing span but this is an already amazing image.

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    Macro and Flora Moderator Jonathan Ashton's Avatar
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    Thanks for the feedback - glad you liked it. On refection I must admit a tick seems a more laudable explanation, pox virus usually presents itself with numerous vesicles and not usually so large. We have had an outbreak here over the last few months and I jumped to an incorrect conclusion. I don't know if anyone can offer an explanation regarding a blackbird in the back garden, it had a single enlarged mostly bald swelling on top of it's head - it was the size of a large acorn - it almost looked dinosaur like in appearance!!

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    It's the best in your Greenfinch collection IMO. Excellent sharpness, details & shooting angle. Thanks

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    Lifetime Member gail bisson's Avatar
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    Great reflexes Jonathan. Very interesting with the tick on his cheek. Sharp but wish for up or down wings.
    Gail

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    Macro and Flora Moderator Jonathan Ashton's Avatar
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    Quote Originally Posted by Doug Brown View Post
    Sharpness is getting better and better Jonathan. Not an easy shot against a varied BG. Are you prefocusing?
    Yes Doug I AF on the aperture to the feeder, then switch to MF and move just to the side of the feeder so I get almost full frame shots depending upon species/size.

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    Jonathan,

    What colour was the swelling? It could be a pox virus infection, but it would be hard to diagnose only from an observation. As a one off case it could also be a tumor, as birds will get cancerous tissue too.

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    Macro and Flora Moderator Jonathan Ashton's Avatar
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    Quote Originally Posted by Ben_Sadd View Post
    Jonathan,

    What colour was the swelling? It could be a pox virus infection, but it would be hard to diagnose only from an observation. As a one off case it could also be a tumor, as birds will get cancerous tissue too.
    The swelling covered the total area of the crown of the head and it was naked and cream coloured, it looked ridiculously large on the bird's head. Some form of carcinoma I suppose is most likely - I am not aware of the aetiology of tumours in avian fauna but I wouldn't mind betting some are virally induced or at least associated with virus infections.

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    Publisher Arthur Morris's Avatar
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    SH, BKGR, and EXP right on but I gotta admit that I am not a big fan of the "dart" poses....
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    How on earth did you manage this

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    Macro and Flora Moderator Jonathan Ashton's Avatar
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    Thanks to everyone for the comments, next ones will be a little more interesting - no more darts!

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    Macro and Flora Moderator Jonathan Ashton's Avatar
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    Quote Originally Posted by RakeshDhareshwar View Post
    How on earth did you manage this
    It is easy peasy - see reply I made to Doug a couple of panes previously - any problems and I will explain more fully.

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