The barn owl is common throughout California and easily recognisable with its distinctive white heart-shaped facial disc. The male and female have similar colours, but females are larger, darker, and more spotted than male barn owls.
Additional Information :
Animal Diversity Web - animaldiversity.org
Barn Owl- Tyto alba - ebird.org
Barn Owl - Owl Research Institute - owlresearchinstitute.org
10 Amazing Facts About Barn Owls - birdwatchingacademy.com