PhysOrg Posted September 7, 2022 Share Posted September 7, 2022 White-necked jacobin hummingbirds sport a colorful blue-and-white plumage as juveniles. When they grow into adulthood, males retain this dazzling pattern, while females develop a more "muted" palette of green and white—at least, most females. Curiously, about 20% of females defy the norm and retain male-like plumage into adulthood.View the full article Quote Link to comment Share on other sites More sharing options...
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