Who Done It?

Sandy River

Three animals crossed a strech of beach along the Sandy River near Portland, Oregon.

Photo by Dennis Deck

Which animals made these tracks? [ View Answer ]


The 5-toed tracks on the right are very fresh, probably left that morning. The gait was a 3x3 bound, common among mustelids. The small size and proximity to water should suggest mink.

The lower track on the left has 4 symmetrical toes with claws showing. Clearly this was a canid headed toward the camera. The imprint of a bar on the heel pad should suggest red fox. Close inspection would reveal that its winter coat blurs the track somewhat.

The track in the upper left is older and indistinct. The general round shape and size relative to the fox should suggest bobcat.

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