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How to tell male from female white-eyes? A few practical identification methods
The male white-eye has a relatively wide forehead, thinner feathers on the crown, and a wide and raised white eye-ring, while the female shows fairly obvious differences; the male's yellow patches are darker in color and longer in shape, while the female's are pale yellow and not bright enough; the male's feathers cling tightly to the body, giving a slender look