Nine Prairie Falcons (Falco mexicanus) were radio-tagged
in northern California during the spring and summer
of 1976 and 1977 to study foraging behavior. The mean home
range size for 3 males was 227.8 km²; largest portions of
the home range were used during the incubation period.
Shifts in foraging areas...
Distribution of nest sites and reproductive success were
determined for prairie falcons breeding in Oregon during 1973 and
1974. The study area encompassed a major portion of the eastern
half of the state. I located and monitored 63 breeding attempts during
the study and found nest sites in a variety...