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vermivora cyanoptera x vermivora chrysoptera

  1. Brewster's Warbler (Golden-winged X Blue-winged Warbler hybrid)

    Brewster's Warbler (Golden-winged X Blue-winged Warbler hybrid)

    Originally described as a separate species called Brewster's Warblre, this is a hybrid between Golden-winged Warbler X Blue-winged Warbler. Various hybrid types occur. This F1 type closely resembles the Golden-winged Warbler but has a pale throat and narrow eyeline more like Blue-winged...
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