Where their ranges overlap, Blue-winged Warbler and Golden-winged Warbler may hybridize, producing the dominant Brewster’s Warbler with the facial characteristics of the Blue-winged and the body coloring of the Golden-winged, or the rarer backcross doubly recessive Lawrence’s Warbler with the facial characteristics of the Golden-winged but the body coloring of the Blue-winged. Various subsequent generation backcrosses with each other or with either parent species also occur. Genetics.
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Lawrence’s Warbler
Greenwich Audubon Center, Greenwich, CT
May 20, 2012©John Schwarz
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Lawrence’s Warbler
Viney Hill Preserve, Essex, CT
May 24, 2013©John Schwarz
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Lawrence’s Warbler
Greenwich Audubon Center, Greenwich, CT
May 20, 2012©John Schwarz
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Lawrence’s Warbler
Viney Hill Preserve, Essex, CT
May 24, 2013©John Schwarz
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Lawrence’s Warbler
Greenwich Audubon Center, Greenwich, CT
May 20, 2012©John Schwarz
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Lawrence’s Warbler
Viney Hill Preserve, Essex, CT
May 24, 2013©John Schwarz
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Lawrence’s Warbler
Greenwich Audubon Center, Greenwich, CT
May 20, 2012©John Schwarz
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Lawrence’s Warbler
Viney Hill Preserve, Essex, CT
May 24, 2013©John Schwarz
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Lawrence’s Warbler
Greenwich Audubon Center, Greenwich, CT
May 20, 2012©John Schwarz
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Lawrence’s Warbler
Greenwich Audubon Center, Greenwich, CT
May 20, 2012©John Schwarz
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Lawrence’s Warbler
Greenwich Audubon Center, Greenwich, CT
May 20, 2012©John Schwarz
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Lawrence’s Warbler
Bauer Park, Madison, CT
May 21, 2021©John Schwarz
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Lawrence’s Warbler
Bauer Park, Madison, CT
May 21, 2021©John Schwarz
I believe I have a Lawrence warbler every spring. I saw one yesterday.
Uncommon bird, where are you located? Try to get a picture and send it along.