Small Owls

Whiskered owl
Saw-whet owl
Elf owl
Western screech owl
Flammulated owl
*Avg height7.1″7.7″6.0″8.7″6.5″
Northern pygmy owl
Burrowing owl
Eastern screech owl
Ferruginous pygmy owl
Boreal owl
*Avg height6.9″9.5″8.8″5.9″9.8″

*Height from:
Karl E. Karalus, Allan W. Eckert, (1987). The Owls of North America. New York: Weathervane Books and the Owl Research Institute ( www.owlresearchinstitute.org )