What characteristic sets the breeding male Canada Warbler apart from many relatives, particularly on its chest?

Answer

Bold, black streaking across the throat and upper breast, often forming a black bib or necklace

The defining characteristic of the breeding male is the bold, black streaking on the throat and upper breast, which forms a distinct black bib or necklace that stands out against the bright yellow belly.

What characteristic sets the breeding male Canada Warbler apart from many relatives, particularly on its chest?

#Videos

Canada Warbler Identification | Spring Warbler Warm-up - YouTube

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