The seasonal food habits of mountain goats, mule deer, and
cattle on Chopaka Mountain, Wash., (1977-1980) were determined
by fecal analysis. Graminoids represented 84% of the fall diet of
cattle, the only period when cattle occurred within the mountain
goat range. Mountain goats utilized graminoids (42%) and shrubs
(31%) primarily; whereas, mule deer consumed shrubs (45%) and
conifers (2%). Dietary overlap was greatest between mt. goatsand
mule deer (37%) and mt. goats and cattle (32%), and minimal
between mule deer and cattle (15%). Considerable in&a- and interseasonal
variation was experienced for all 3 species.