Clatsop County Mammals: Eight small prey items for larger creatures… Broadway Middle School Life Science
Trowbridge’s Shrew Sorex trowbridgii Order Insectivora, Family Soricidae For more information about Soricidae: pages/5776/5776.ch04.html Identification: two-colored tail.
Range, Habitat and Diet Habitat: Open areas Woodlands Forests Diet: Insects Most individuals live no longer than 18 months.
Townsend’s Chipmunk Tamias townsendii Order Rodentia, Family Sciuridae For more information about Sciuridae: rmation/Sciuridae.html Identification: Chipmunks have stripes on their face; ground squirrels do not.
Range, Habitat and Diet, etc. Habitat: Coniferous forests Brush Diet: Seeds, flowers & fruits Habits, breeding: Hibernates One litter per year, 2-6 young
Douglas Squirrel, Tamiasciurus douglasii Identification: Dark gray on top Orange underneath Black stripe from elbow to knee Pale eye-ring
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.
Northern Flying Squirrel, Glaucomys sabrinus 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
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
Creeping Vole, Microtus oregoni malogy/mamwash/mior.html Identification: Short, bi-colored tail
Range, Habitat and Diet, etc. Habitat: Grasslands Forest Diet: Herbivore (plants) Habits, breeding: Burrows underground 4-5 litters per year, 3-4 young
Townsend’s Vole, Microtus townsendii Identification: Dark brown above, gray below; feet dusky; large ears. Total length: cm tail: 5-8 cm mass: g ections/mammalogy/mamwash/rodentia.php#
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
Red-backed Vole Clethrionomys gapperi ns/mammalogy/mamwash/rodentia.php# Identification: Short tail; red back. Total length: cm tail: 3-5 cm mass: g.
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
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. More information on Hantavirus from the Centers for Disease Control:
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)