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The upper immature (Mufindi, 1-17) is courtesy of Florence Holmen; 2nd row adult (Mufindi, 5-18), Per Holmen; left 3rd row adult (Mufindi), Paul Oliver. The left 4th row bird is also an adult; the others are immatures and are courtesy of Dr. Louis A. Hansen (Udzungwa Mountains, 6-07) who notes: sexes alike, no subspecies. Some small, subtle differences in the ageing process incl. darkening of the head can help in ageing the species. |
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