Typical Owls (Strigidae)
Northern Saw-whet Owl (Aegolius acadicus) - HBW 5, p. 228
French: Petite Nyctale
German: Sägekauz
Spanish: Mochuelo Cabezón
Other common names: Saw-whet Owl; Queen Charlotte Owl (brooksi)
Taxonomy: Strix acadica J. F. Gmelin, 1788, Nova Scotia.
Possibly forms superspecies with A. ridgwayi, although ranges appear to overlap in S Mexico (with apparent hybridization); perhaps conspecific with latter; further study needed. Proposed race brodkorbi from Sierra Madre in Oaxaca based on a single juvenile specimen. Two subspecies recognized.
Subspecies and Distribution:
- acadicus (J. F. Gmelin, 1788) - from S Alaska S to S USA, E to SE Canada and N Florida; also highlands of Mexico from NE Sonora to C Michoacán, E in C highlands to Puebla, Hidalgo and C Oaxaca, with isolated population in SE Coahuila, SW Nuevo León and N San Luis Potosí.
- brooksi (Fleming, 1916) - Queen Charlotte Is (British Columbia).
- Least Concern Enlarge map
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32-days old,just-fledged chick perched in tree. Locality Anchorage, Alaska, USA (United States) (ssp acadicus)
Wayne Hall 11 June 2012 49 weeks ago 57 sec 4.6 -
A close-up of a bird on its day roost Locality Ryer Island, Solano County, California, USA (United States) (ssp acadicus)
Leslie Lieurance 24 February 2007 6 years ago 22 sec 4.1 -
An adult bird perched and looking down Locality Lynde Shores Conservation Area, Ontario, Canada (ssp acadicus)
Luc Fazio 31 March 1995 5 years ago 18 sec 3.5 -
A close-up of an adult bird on a branch Locality Lynde Shores Conservation Area, Ontario, Canada (ssp acadicus)
Luc Fazio 31 March 1995 5 years ago 8 sec 3 -
An adult bird roosting in a tree Locality Lynde Shores Conservation Area, Ontario, Canada (ssp acadicus)
Luc Fazio 31 March 1995 5 years ago 5 sec 2.4
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Sitting in spruce tree
Locality Saskatchewan, Canada
Nick Saunders 23 February 2009 3 years ago 4.7 -
Saw-whet Owl Chicks
Locality Saskatchewan, Canada
Nick Saunders 5 June 2009 3 years ago 4.7 -
At a daytime roost.
Locality Carburn Park, Calgary, Alberta, Canada
Ian Maton 29 January 2012 1 year ago 4.6 -
Bird roosting in cedar tree during the day.
Locality Lynde Shores Conservation Area, Ontario, Canada
Miriam Bauman 7 February 2004 2 years ago 4.2 -
Bird roosting in cedar.
Locality Amherst Island, Ontario, Canada
Miriam Bauman 10 January 2009 2 years ago 3.6 -
32-day old having just fledged, perched in tree.
Locality Anchorage, Alaska, USA (United States) (ssp acadicus)
Wayne Hall 11 June 2012 49 weeks ago 3.6
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Singing adult Locality Olympia, Thurston County, Washington State, USA (United States)
(ssp acadicus)
Andrew_Davis 10 May 2004 3 years ago 3
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