Dec 262015
Green-winged Teal
Click here for the auricular study.
Green-winged Teal GWTE
Green-winged Teal GWTE
Green-winged Teal GWTE
Green-winged Teal GWTE
Green-winged Teal GWTE
Green-winged Teal GWTE
Green-winged Teal GWTE
Green-winged Teal GWTE
Green-winged Teal auricular study
The meatus after auricular feather removal.
Green-winged Teal GWTE auricular sonus feather
The further from the meatus a feather is pulled the radiates increased.
Barb spacing calculation.
Barb angle
Plucked feathers count is 105.
An unclassified auricular feather. This morphotype was also found on a Northern Shoveler.
Microscopy @ 50x 150x 300x proximal sonus auricular.
Distal and medial microscopy.
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