Western Screech-Owl Biology
A Reference for North and Central American Owls
Name: Western Screech-Owl – Megascops (Otus) kennicottii
Other Common Names: Kennicott’s Screech-Owl (kennicottii); Vinaceous Screech-Owl (vinaceus); Guadeloupe Screech-Owl (suttoni); California Screch-Owl (bendirei); Pasadena Screech-Owl (quercinus); Yuma Screech-Owl (yumanensis).
Subspecies: There are 8 agreed upon races of the Western Screech-Owl, only one of which does not have a certain range crossing into North America as it is restricted to the tip of Baja California.
M. k. kennicottii is found from S. Alaska south through British Columbia down to N. W. California. This includes the possible race brewsteri.
M. k. bendirei is found from E. Washington east to W. Montana and south to S. California.
M. k. aikeni is found from E. California east to W. Oklahoma and from Utah south to Sonora, Mexico. This includes the possible races gilmani, inyoensis, and cineraceus.
M. k. cardonensis is found in S. California and N. Baja.
M. k. xantusi is found on the southern tip of Baja.
M. k. yumanensis is found in S. E. California, S. W. Arizona, and Sonora, Mexico.
M. k. suttonii is found in S. W. Texas (Big Bend) south into Central Mexico (Mexican Plateau).
M. k. vinaceus is found from South Central Arizona south into Sonora, Mexico.
Measurements and Weights:
Wingspan: 18 – 24 in.
Length: 7.5 – 11 in.
Tail: 3.5 in.
Average Weight: Male: 5.4 oz.
Average Weight: Female: 6.6 oz.