Green-winged Teal

Click here for the auricular study.

Green-winged Teal GWTE

Green-winged Teal GWTE

The meatus after auricular feather removal.

Green-winged Teal GWTE meatus

Green-winged Teal GWTE auricular sonus feather

Green-winged Teal GWTE sonus auricular

The further from the meatus a feather is pulled the radiates increased.

Green-winged Teal GWTE sonus auricular

Barb spacing calculation.

Green-winged Teal GWTE sonus auricular

Barb angle

Green-winged Teal GWTE sonus barb angle

Plucked feathers count is 105.

Green-winged Teal GWTE plucked sonus auriculars

An unclassified auricular feather. This morphotype was also found on a Northern Shoveler.

Green-winged Teal GWTE unclassified auricular

Microscopy @ 50x 150x 300x proximal sonus auricular.

Green-winged Teal GWTE proximal sonus

Distal and medial microscopy.

Green-winged Teal GWTE distal sonus

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