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The Effect of Suburban and Agricultural Development on the Activity Patterns of Coyotes (Canis Latrans)
Nathan McClennen, Rachel R. Wigglesworth, Stanley H. Anderson and Douglas G. Wachob
The American Midland Naturalist
Vol. 146, No. 1 (Jul., 2001), pp. 27-36
Published by: The University of Notre Dame
Stable URL: http://www.jstor.org/stable/3083149
Page Count: 10
You can always find the topics here!Topics: Biological rhythms, Humans, Agricultural management, Signals, Animals, Evolutionary psychology, Sex linked differences, Mortality, National parks, Urban ecology
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We compared the activity patterns of coyotes (Canis Latrans) in a suburban/agricultural area to those in an adjacent undeveloped area in northwest Wyoming from August 1998 to August 1999. Activity patterns were recorded using variable-pulse radio-collars. Correlation of recorded activity and observed activity indicated differences in the sensitivity of the collars. The mean percent of active signals for coyotes in the-suburban/agricultural area was significantly lower during diurnal periods and significantly higher during nocturnal periods than the mean percent of active signals in those periods for coyotes in the undeveloped area. No differences between the two areas were observed during crepuscular times. Environmental stimuli, such as human activity, increased the amplitude of the circadian rhythms of coyotes. This increase in amplitude is a result of increased nocturnal activity and decreased diurnal activity.
The American Midland Naturalist © 2001 The University of Notre Dame