Fisher Foot Morphology - Introduction
Familiarity with the structures found on the bottoms of fisher feet helps
greatly in being able to interpret the footprints found on track plates.
Note the crescent-shaped metacarpal pads found on the bottoms of their
front feet. These are responsible for the part of the track we use to identify
individual fishers.
Close up views of the left and right metacarpal pads
(front feet)
Note the rows of wart-like structures and that the left and right
pads are roughly mirror images of each other. This property aids us in
distinguishing between footprints made by left and right feet. Prints made
by the left foot are compared only with other left -foot prints.
Corresponding left and right metatarsal pads (rear
feet)
Note how the wart-like patterns differ between the front and rear
pads and that fronts can be readily distinguished from rears. We will
attempt to match only front prints, which appear much more commonly on
track plates than rears.
Advanced Morphology 
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