What eye color characterizes newly fledged juvenile White-eyed Vireos?
Answer
Dusky or grayish-brown
Newly fledged and juvenile White-eyed Vireos do not possess the signature white eye of the adults. Instead, their eyes are characterized by a dusky or grayish-brown coloration. This color gradually lightens as the bird ages, moving through shades of grayish-brown or pale gray before finally achieving the crystalline white iris typical of a mature adult, often during their second calendar year.

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