Mexican Spotted Owls and Fire

Table 1: Prey species or groups comprising 10% of Mexican spotted owl diet, in terms of either relative frequency or total biomass (Adapted from data in Ward and Block [1995])
Prey Species or Group	>= 10% of relative frequency of prey items^a	>= 10% of total diet biomass^a
Peromyscid Mice Deer mouse (Peromyscus maniculatus) Brush mouse (Peromyscus boylii)	^_X X	^_X X
^{_{Woodrats Mexican woodrat (Neotoma mexicana) Bushy-tailed woodrat (Neotoma cinerea) Desert woodrat (Neotoma lepida)}} White-throated woodrat (Neotoma albigula)	^{_{X X X}} X	^{_{X X X}} X
^{_{Voles Mexican vole (Microtus mexicanus) Mountain vole (Microtus montanus) Meadow vole (Microtus pennsylvanicus)}} Long-tailed vole (Microtus longicaudus)	^{_{X X X}} X	^{_{X X X}} X
Birds	X	X
Bats	X
Pocket Gophers		X
Rabbits		X
Arthropods	X
a_{Data reflect those prey species that comprise >= 10% of the Mexican spotted owls’ diet in at least one out of seven geographic subdivisions of the owls’ range.}