What people are saying - Write a review
We haven't found any reviews in the usual places.
The Study Area and Technics
Hawk Movements and Winter Ranges
Fall and Winter Hawk Populations
86 other sections not shown
activity adult American Rough-legged Hawks approximately average number Barn Owl car census census strip cent Cooper's Hawk coveys daily ranges determined diet eggs fall and winter flights fluctuations fox squirrels game birds habitats Hawk counts hawk population hawk ranges hawks and owls high meadow mouse home range Horned Owl hunting pressure hunting ranges immature increase Long-eared Owl Marsh Hawks maximum meadow mice meadow mouse density meadow mouse population Michigan migration mortality movement nesting population nesting season number of hawks number of individuals percentage perch Plate population density prey densities prey populations prey species prey vulnerability rabbits raptor density raptor nesting raptor predation raptor pressure raptor species recorded Red-shouldered Hawk Red-tailed Hawks relatively roost Screech Owl seasonal ranges Short-eared Owl small birds Sparrow Hawks square mile study area Superior Township Table territory tion trapping white-footed mice winter periods winter population winter ranges woodlots Wyoming young