Food of the Northern Hawk Owl from different regions of North America. Data represent number of prey. Data derived primarily from analysis of pellets.

RegionAlaska nestsAlaska nestsYukon nestsMinnesota winterMinnesota nestManitoba winterManitoba winterAlberta summerTotal% Total
SourceT. Osborne pers. comm.Kertell 1986Rohner et al. 1995Lane and Duncan 1987Lane and Duncan 1987JRD, PADNero 1995R. Gehlert pers. comm.
PREY:
Mammals
Clethrionomys5319191432635922.4
Microtus462373112944492483399762.3
Synaptomys27812472.9
Phenacomys333362.3
Peromyscus2130.2
Lemmus330.2
Lepus630362.3
Birds
1831221.4
Other
6824212976.1
Total prey/study
51651449325654253541,600100%
Prey/pellet
0.741.612.461.5Up to 41.35