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Clatsop County Mammals: Eight small prey items for larger creatures…

Clatsop County Mammals: Eight small prey items for larger creatures…. Broadway Middle School Life Science 2009-2010. Trowbridge’s Shrew Sorex trowbridgii. www.ucpress.edu/books/ pages/5776/5776.ch04.html. Identification: two-colored tail.

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Clatsop County Mammals: Eight small prey items for larger creatures…

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

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

  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 ChipmunkTamias townsendii Identification: Chipmunks have stripes on their face; ground squirrels do not. Order Rodentia, Family Sciuridae For more information about Sciuridae: http://animaldiversity.ummz.umich.edu/site/accounts/information/Sciuridae.html 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 • Identification: • Dark gray on top • Orange underneath • Black stripe from elbow to knee • Pale eye-ring http://www.washington.edu/burkemuseum/mammalogy/mamwash/tado.html

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

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

  9. Range, Habitat and Diet, etc. • 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 http://www.washington.edu/burkemuseum/mammalogy/mamwash/glsa.html

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

  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 http://www.washington.edu/burkemuseum/collections/mammalogy/mamwash/rodentia.php# 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

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

  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 • 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. http://www.washington.edu/burkemuseum/mammalogy/mamwash/pema.html More information on Hantavirus from the Centers for Disease Control: http://www.cdc.gov/ncidod/diseases/hanta/hps/

  17. Range, Habitat and Diet, etc. • 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) http://www.washington.edu/burkemuseum/mammalogy/mamwash/pema.html

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