Brewster’s Warbler

ABA NC

(Hybrid - Vermivora chrysoptera X Vermivora cyanoptera)

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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