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We examined the temporal, spatial, and demographic factors that influenced roadway mortality of barn owls...
Preening is the principle behavioral defense used by birds to combat ectoparasites. Most birds have...
Increases in yolk androgens within and among avian clutches have been correlated with decreased incubation...
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Western burrowing owls (Athene cunicularia hypugaea) are ground-dwelling owls distributed throughout western North America. Because...
Human consumers of wildlife killed with lead ammunition may be exposed to health risks associated...
Broadcasts of conspecific vocalizations are used to increase detection rates on surveys of secretive bird...
Accurate sex identification is necessary for a broad spectrum of bird studies, including brood sex...
Western burrowing owls (Athene cunicularia hypugaea) are endangered in Canada and several western U.S. states....
Through analysis of regurgitated pellets and prey remains collected at nests between 2001-02, we characterized...
A simple and effective field exercise that demonstrates factors affecting predation on bird nests is...
To investigate the potential expression of territorial behavior of Burrowing Owls (Athene cunicularia)in southwestern Idaho,...
We investigated whether wing morphology differed between the sedentary House Finches (Carpodacus mexicanus) of western...
Eggs (n = 367) collected from wild Peregrine Falcon (Falco peregrinus anatum) nests between 1976...
Artificial burrow systems (ABS) have been used to manage populations of the western burrowing owl...
Burrowing Owl (Athene cunicularia) populations are declining in many portions of their range, and research...
During June-July 1998, we used a combination of active and passive relocation to move five...
Both sexes of adult Western Screech-Owls (Otus kennicottii) sing in response to playback of conspecific...
Burrowing Owls (Athene cunicularia) nest in burrow systems, and their nests harbor at least 39...
Although wildlife managers and researchers frequently use a variety of artificial burrow systems (ABS) to...
Using radiotelemetry, we monitored dispersing juvenile Western Burrowing Owls (Athene cunicularia hypugaea) within a migratory...
Habitat destruction and global climate change are two major threats to the persistence of ecosystems....
Variation in timing and distance of dispersal movements of juvenile birds may result from differences...
During the summers of 1985-1991, bird censuses were conducted along 13 permanent routes located at...
A model that explains natal dispersal in resident screech-owls is presented and examined. The model...
We used a standard handling protocol to examine the stress response of captive young western...
In male house finches (Carpodacus mexicanus), the extent and color of plumage varies depending on...
In male House Finches (Carpodacusm exicanus), the extent and color of plumage varies depending on...
Habitat use by 17 radio-tagged Eastern Screech-Owls (Otus asio) was examined in central Kentucky. On...
We examine proximate issues related to the initiation of natal dispersal in birds and mammals,...