Whiskered Screech-Owl Biology
A Reference for North and Central American Owls
Name: Whiskered Screech-Owl – Megascops (Otus) trichopsis
Other Common Names: Arizona Whiskered Owl; Spotted Screech-Owl; Whiskered Owl.
Subspecies: There are three accepted races of Whiskered Screech-Owl in North and Central America. Only one of these races has a range crossing into North America. Six additional races are described but not yet recognized and subsequently included within the following.
M. t. aspersus is found from S. E. Arizona and S. W. New Mexico to Sonora and Chihuahua, Mexico.
M. t. trichopsis is found in the highlands of central Mexico from Michoacan to Veracruz, Oaxaca and Chiapas. The described races ridgwayi (Michoacan), guerrerensis (S. W. Mexico), and pinosus (Veracruz) are included.
M. t. mesamericanus is found from S. E. Mexico (Chiapas) to N. C. Nicaragua. The described race pumilus (Honduras) is included.
Measurements and Weights:
Wingspan: 16 – 20 in.
Length: 6.5 – 8 in.
Tail: 2.5 – 3 in.
Average Weight: Male: 3 oz.
Average Weight: Female: 3.3 oz.