This warbler has been the subject of much debate - on BirdForum (see here) the vote is heavily in favour of Upcher's however on the networks Olivaceous is in the lead. Personally I wouldn't vote for Eastern Olivaceous over an Upcher's It just doesn't look right somehow for either and we haven't eliminated other species altogether like a Booted Warbler - especially since AJ said it was small and flicked its tail. CLICK HERE for Booted
I have toned down the high sun glare on the original photos to give a softer more grey brown overall tone here.
Upcher's on the LEFT Olivaceous to the RIGHT approx to the same scale
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