1. Clatsop County Mammals: Eight small prey items for larger creatures… Broadway Middle School Life Science 2009-2010

2. Trowbridge’s Shrew Sorex trowbridgii Order Insectivora, Family Soricidae For more information about Soricidae: http://animaldiversity.ummz.umich.edu/site/accounts/information/Insectivora.html http://animaldiversity.ummz.umich.edu/site/accounts/information/Insectivora.html http://www.washington.edu/burkemuseum/mammalogy/mamwash/sotr.html www.ucpress.edu/books/ pages/5776/5776.ch04.html Identification: two-colored tail.

3. Range, Habitat and Diet Habitat: Open areas Woodlands Forests Diet: Insects Most individuals live no longer than 18 months. http://www.washington.edu/burkemuseum/mammalogy/mamwash/sotr.html

4. Townsend’s Chipmunk Tamias townsendii Order Rodentia, Family Sciuridae For more information about Sciuridae: http://animaldiversity.ummz.umich.edu/site/accounts/info rmation/Sciuridae.html Identification: Chipmunks have stripes on their face; ground squirrels do not. http://www.washington.edu/burkemuseum/mammalogy/mamwash/tato.html

5. Range, Habitat and Diet, etc. Habitat: Coniferous forests Brush Diet: Seeds, flowers & fruits Habits, breeding: Hibernates One litter per year, 2-6 young http://www.washington.edu/burkemuseum/mammalogy/mamwash/tato.html

6. Douglas Squirrel, Tamiasciurus douglasii http://www.washington.edu/burkemuseum/mammalogy/mamwash/tado.html Identification: Dark gray on top Orange underneath Black stripe from elbow to knee Pale eye-ring

7. http://www.washington.edu/burkemuseum/mammalogy/mamwash/tado.html Habitat: Coniferous forests Diet: Seeds of conifers (from the cones) Habits, breeding: Does not hibernate 1 to 2 litters per year, 4-6 young Range, Habitat and Diet, etc.

8. Northern Flying Squirrel, Glaucomys sabrinus http://www.washington.edu/burkemuseum/mammalogy/mamwash/glsa.html http://www.enature.com/fieldguide/showSpecies_LI.asp?imageID=18791 http://animaldiversity.ummz.umich.edu/site//resources/phil_myers/cl assic/sabrinus1.jpg/view.htmlhttp://animaldiversity.ummz.umich.edu/site//resources/phil_myers/cl assic/sabrinus1.jpg/view.html (upper right) Identification: Large eyes, membrane from elbows to knees for gliding

9. Range, Habitat and Diet, etc. http://www.washington.edu/burkemuseum/mammalogy/mamwash/glsa.html Habitat: Coniferous forests Mixed forests Diet: Lichens Fungus (important: Flying Squirrels disperse fungal spores and bacteria in their scat that help fix nitrogen; clearcutting breaks that cycle and makes it difficult for the forest to regenerate) Habits, breeding: Nocturnal Glides from trees One litter per year, 2-5 young

10. Creeping Vole, Microtus oregoni http://www.enature.com/fieldguide/showSpecies_LI.asp?imageID=18756 http://www.washington.edu/burkemuseum/mam malogy/mamwash/mior.html Identification: Short, bi-colored tail

11. Range, Habitat and Diet, etc. Habitat: Grasslands Forest Diet: Herbivore (plants) Habits, breeding: Burrows underground 4-5 litters per year, 3-4 young http://www.washington.edu/burkemuseum/mammalogy/mamwash/mior.html

12. Townsend’s Vole, Microtus townsendii Identification: Dark brown above, gray below; feet dusky; large ears. Total length: 15-25 cm tail: 5-8 cm mass: 40-100 g http://share3.esd105.wednet.edu/rsandelin/NWnature/2005.htm http://www.washington.edu/burkemuseum/coll ections/mammalogy/mamwash/rodentia.php#

13. Range, Habitat and Diet, etc. Habitat: Marshes, streams, and wet meadows Diet: Herbivore (plants) Habits, breeding: Burrows underground, can swim Breeds from early spring through late summer or early fall; several litters of 1–9 young each; gestation 21–24 days

14. Red-backed Vole Clethrionomys gapperi http://www.hubbardbrook.org/image_library/view.php?id=430 http://www.washington.edu/burkemuseum/collectio ns/mammalogy/mamwash/rodentia.php# Identification: Short tail; red back. Total length: 12-16 cm tail: 3-5 cm mass: 16-42 g.

15. Range, Habitat and Diet, etc. Habitat: Forest or meadows in mountains, damp areas Diet: Herbivore Habits, Reproduction: Sexually mature at 2–4 months; breeds late winter to late fall; several litters per year of 2–8 young, with larger litters at higher elevations and latitudes; gestation 17–19 days. Red-backed voles can live in the wild to be 20 months. However, most voles only live as long as 12 to 18 months

16. Deer Mouse, Peromyscus maniculatus http://www.washington.edu/burkemuseum/mammalogy/mamwash/pema.html Identification: Adults brown on top, white below Juveniles gray on top Bi-colored tail Large ears Notes: Most species tested are positive for the Hantavirus. Some Hantavirus strains can kill humans but not all virus strains are harmful to humans. More information on Hantavirus from the Centers for Disease Control: http://www.cdc.gov/ncidod/diseases/hanta/hps/

18. Range, Habitat and Diet, etc. http://www.washington.edu/burkemuseum/mammalogy/mamwash/pema.html Habitat: Ubiquitous (present in all habitats…everywhere, all the time) Diet: Granivore, omnivore, caprophagy Habits, breeding: Burrows underground Many litters per year, 1-11 young (average is 4-6 young)