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Need ID confirmation - Sayaca Tanager

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Old Saturday 4th December 2004, 20:04   #1
Pantanal1
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Need ID confirmation - Sayaca Tanager

Sayaca Tanager
I need the confirmation if this is Sayaca Tanager, taken in CW Brazil.

Thanks,
Cheers
Wes
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Old Saturday 4th December 2004, 21:25   #2
Jacamar
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That bird has quite a heavy beak, Wes. Could it possibly be a Azure-shouldered Tanager (Thraupis cyanoptera)?
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Old Saturday 4th December 2004, 22:03   #3
dacol
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Quote:
Originally Posted by Pantanal1
I need the confirmation if this is Sayaca Tanager, taken in CW Brazil.
I think it is a Sayaca Tanager (ST). Rule out Azure-shouldered Tanager (AST) by plain wings and whtish-gray ventral area which in AST would be buffier not to mention range: AST is confined to the coastal strip and adjacent mountains in SE Brazil.

From the photo it seems to me that the wing coverts are quite gray which indicates a young bird. The problem then is that young Blue-gray Tanagers (BGT) will look pretty much like that bird too. BGT is not known to occur at Chapada dos Guimarăes and nearby areas thus in this case it seems to me that BGT can be excluded only on the basis of range. Adult BGTs in most of the Brazilian Amazon have a white patch on the wing coverts that makes it relatively straightforward to separate it from ST.

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Old Saturday 4th December 2004, 22:42   #4
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I would agree that it is a Sayaca Tanager. As Dalcio says, Azure-shouldered is restricted to south-east Brazil (and Sayaca has a pretty hefty bill as well).
I don't think that Blue-gray Tanager occurs as far south as Chapada das Guimaraes but going by published ranges can be dangerous.
I think the clincher is the colour of the wing-coverts which varies substantially in Blue-grey Tanager from dark blue to white but is white in the races of western Amazonia as far as I am aware.
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Old Sunday 5th December 2004, 03:06   #5
Pantanal1
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Thank you Chris, Dalcio and Arthur,
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