Upper left and right (magn. 800x):
Macro Melanin Globules situated in the medullas of the barbs of breastfeathers taken from a DF spangle.
Lower left and right (magn. 800x):
Pigmentation in wingcoverts of DF spangles is almost totally suppressed in contrast with suffused areas on the breast and throat.
(see picture below showing a sky blue DF Spangle, as a formula : D+_bl / D+_bl Sp / Sp)
Since noumerous giant melanosomes and only slight amounts of "normal" pigment granules are to be found in breastfeathers of DF spangles causing a distinct suffusion,
DF spangles cannot be classified as genuine white or yellow blackeyes.
more photographs
©Inte Onsman
MUTAVI Research & Advice Group