Species: Parastrellus hesperus
Western Pipistrelle
Species
Encyclopedia of Puget Sound
Classification
Kingdom
Animalia
Phylum
Craniata
Class
Mammalia
Order
Chiroptera
Family
Vespertilionidae
Genus
Parastrellus
NatureServe
Classification
Other Global Common Names
Un Murciélago - Western Pipistrelle
Informal Taxonomy
Animals, Vertebrates - Mammals - Bats
Formal Taxonomy
Animalia - Craniata - Mammalia - Chiroptera - Vespertilionidae - Parastrellus - are unclear; for several Old World species there is some uncertainty as to which is the appropriate genus (see Morales et al. 1991 and Hill and Harrison 1978).
Ecology and Life History
Migration
false - false - false
Non-migrant
false
Locally Migrant
false
Food Comments
Forages along short circuits 2-15 m above ground; eats small insects, especially those in swarms.
Reproduction Comments
Gestation lasts about 40 days. Births occur in June and July. Litter size is 2. Young fly at about 1 month. Maternity colonies comprise no more than a dozen individuals; births may occur solitarily.
Ecology Comments
Tends to roost singly or in very small groups.
Length
9
Weight
6
Conservation Status
NatureServe Global Status Rank
G5
Global Status Last Reviewed
1996-11-05
Global Status Last Changed
1996-11-05
Other Status
LC - Least concern
Distribution
Conservation Status Map
<img src="http://www.natureserve.org/explorer/servlet/GetMapGif?US.AZ=S5&US.CA=SNR&US.CO=S4&US.ID=S3&US.NN=S5&US.NV=S4&US.NM=S5&US.OK=S3&US.OR=S4&US.TX=S5&US.UT=S4&US.WA=S3" alt="Conservation Status Map" style="width: 475px; height: auto;" />
Global Range
Western U.S. and western Mexico, from southeastern Washington to southwestern Oklahoma, south to Baja California and Michoacan and Hidalgo, Mexico. Known to winter in Nevada, California, Arizona, and Texas, but limits of winter range are not known. To elevations of about 6800 ft.