TFS Mammal Guide
Sightings of common species (days with a mammal sighting are red, days with a journal entry but no sighting are gray).
Data from the TFS Naturalist Journal.
Arctic Ground Squirrel
If you use data from this page, please cite the data according to the following format: Environmental Data Center Team. Year of data retrieval. Toolik mammal sightings. Toolik Field Station, Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, AK 99775. http://toolik.alaska.edu/edc/mammals/index.php