AnAge entry for Strix occidentalis

Classification (HAGRID: 01357)

Taxonomy: Kingdom: Animalia
    Phylum: Chordata
        Class: Aves (Taxon entry)
            Order: Strigiformes
                Family: Strigidae
                    Genus: Strix
Species: Strix occidentalis
Common name: Spotted owl

Maximum longevity: 25 years (captivity)
Source: ref. 1
Sample size: Small
Data quality: Acceptable
Observations: Typical animals do not breed before age 3. The average longevity of these animals is about 15 years [0437]. Majority of pairs do not breed every year; some known to not breed over periods of 5-6 years [0445].

: No information is available on life history. Please contact us if you wish to suggest or contribute data.

[0820] John Dunning (2008), CRC Handbook of Avian Body Masses
[0435] McKechnie and Wolf (2004), The allometry of avian basal metabolic rate: good predictions need good data (PubMed)
[0001] Carey and Judge (2000), Longevity Records: Life Spans of Mammals, Birds, Amphibians, Reptiles, and Fish
[0444] John Terres (1980), The Audubon Society Encyclopedia of North American Birds
[0437] FEIS by the USDA Forest Service
[0445] The Birds of North America Online