Lesser Scaup LESC
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Lesser Scaup LESC
Lesser Scaup LESC

Lesser Scaup LESC
Lesser Scaup LESC male
Lesser Scaup LESC

Lesser Scaup LESC
Lesser Scaup LESC male
Lesser Scaup LESC
Lesser Scaup LESC female
Lesser Scaup LESC female
Lesser Scaup LESC

Lesser Scaup LESC
Lesser Scaup LESC

Lesser Scaup LESC
Lesser Scaup LESC

Lesser Scaup LESC
The meatus before and after auricular feather removal.

Lesser Scaup LESC meatus
Lesser Scaup LESC auricular sonus feather

Lesser Scaup LESC sonus auricular
Barb spacing calculation.

Lesser Scaup LESC sonus auricular
Barb angle

Lesser Scaup LESC sonus auricular angle
81 plucked auricular feathers.

Lesser Scaup LESC plucked auriculars
Microscopy @ 50x 150x 300x proximal sonus auricular.

Lesser Scaup LESC proximal sonus
Distal and medial microscopy.

Lesser Scaup LESC distal sonus
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