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Costa Rica bird (1 Viewer)

4

49bentley

Well-known member
Canada
Can someone please identify this bird? Taken near Hotel Villa Florencia in Costa Rica in January. I'm thinking MacGillivray's Warbler, but definitely not sure.
Thanks
Chris
 

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Thanks Nige and Andy. My book has female Mourning Warbler with a narrow, broken eye ring (which fits). MacGillivray's Warbler is definitely rarer.
 
49bentley said:
Thanks Nige and Andy. My book has female Mourning Warbler with a narrow, broken eye ring (which fits). MacGillivray's Warbler is definitely rarer.
Click to expand...

I only know because we had faced the same conundum at Ruinas de Ujarras which is the only place we had Mourning.
 
I am not sure MacG is rare enough to be excluded, there is three observations that are labeled in red indicating something like "within last month"

Niels
 
njlarsen said:
I am not sure MacG is rare enough to be excluded, there is three observations that are labeled in red indicating something like "within last month"

Niels
Click to expand...

IF reliable and I'll be honest, what I saw in CR being uploaded to ebird, would not fill me with confidence!

I've sent the link to Patrick O'Donnell, he'll have a better idea.
 
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One other point to add here is Sibley's (2014) mention of white throat and supraloral in MacG's, whereas Mourning's throat (and supraloral) is "usually yellow".
 
t
birdmeister said:
One other point to add here is Sibley's (2014) mention of white throat and supraloral in MacG's, whereas Mourning's throat (and supraloral) is "usually yellow".
Click to expand...
That would clearly seem to favout MacG then only, in the last pic here, the bird has a black, blob on the breast and, I just Googled, a very good number of birde 'labelled' as MacG, do not have a white throat or any hint of a supra loral?

Seems that they hybridise too, oh joy...........

https://www.jstor.org/stable/30243918?seq=1#page_scan_tab_contents
 
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