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Purple martin or grey-breasted martin (Holbox, Yucatan, Mexico)

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Old Thursday 18th October 2018, 20:03   #1
arodris
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Purple martin or grey-breasted martin (Holbox, Yucatan, Mexico)

Hi again,

I need help to identify these martins. The four first pictures are from the same bird. The last one is a different individual that seems somehow different. These pictures were taken in Holbox, last August 22th, 2018.

Thanks
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Old Friday 19th October 2018, 22:31   #2
arodris
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Nobody wants to try? I think that martins in this area are difficult to differentiate (especially youngs and females).

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Old Sunday 21st October 2018, 01:59   #3
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Purple martin in that plumage often shows a pale collar (https://www.birdforum.net/showthread.php?t=315577). I am therefore leaning towards that for your last bird. I am not sure whether that is always or only sometimes and my books is not where I am, so cannot say for sure.

I left a lot of my own shots from the migration period in Yucatan as SP.

Niels
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Old Sunday 28th October 2018, 15:34   #4
arodris
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Thanks Niels
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