What essential facial feature remains remarkably consistent across all sexes and ages of the Canada Warbler?

Answer

Prominent white rings surrounding the eyes (white spectacles)

Regardless of sex or age, the presence of white spectacles, which are prominent white rings surrounding the eyes, is a high-priority identifier for the Canada Warbler.

What essential facial feature remains remarkably consistent across all sexes and ages of the Canada Warbler?

#Videos

Canada Warbler Identification | Spring Warbler Warm-up - YouTube

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