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The Gray-crowned Yellowthroat (Geothlypis poliocephala) is essentially a Mexican warbler which has wandered into far south Texas on a few occasions over the years. The top three images on the right are of a bird that was at the Sabal Palm Sanctuary in Cameron Co., Texas, during February, 1988. These are scans from some very old and grainy slides but I thought some people would appreciate seeing images of this species. There have actually been 44 accepted records of this species in Texas, but the vast majority are old specimen records from the 1800s when the species was apparently more regular in south Texas. There have been about 10 accepted records of this species in Texas since the bird shown in these shots. Note the very thick "chat-like" bicolored bill of this species which is quite unlike the rather dainty and sharply pointed bill of Common Yellowthroat. There have been one or two records of birds in Texas initially thought to be Gray-crowned Yellowthroat by plumage, but the bill shape was more like Common Yellowthroat combined with the fact that these birds gave a Common Yellowthroat type of "chip" note which Gray-crowneds do not do.
The shot on the right shows a Gray-crowned Yellowthroat in southern Mexico in April, 1991.