This scat may be up to five times longer than it is wide and it may contain undigested insect parts. You can find it in western North America, near lakes or ponds. It is getting less common, however; ICUN Red List reports this species is probably in significant decline due to diseases such as chytridiomycosis.
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ICUN Red List at http://www.iucnredlist.org/ (retrieved August 20th, 2011)
Scats and Tracks of the Pacific Coast, Including British Columbia: A Field Guide to the Signs of 70 Wildlife Species / James C. Halfpenny ; illustrated by Todd Telander. Helena, Mont. : Falcon, c1999. Naturalist Center Reference QL768 .H36 1999