Canyon Wrens (Catherpes mexicanus) occur throughout the semiarid regions of the western United States in habitats dominated by canyons and steep rock formations. Their inaccessible habitat has made them one of the least studied among North American birds. We studied a population of Canyon Wrens in the Front Range of Colorado, documenting many aspects of their breeding biology. We report on territory density and size, nest site characteristics, nesting phenology, nesting success, and nestling development.
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1 December 2002
REPRODUCTIVE BIOLOGY OF CANYON WRENS IN THE FRONT RANGE OF COLORADO
STEPHANIE L. JONES,
J. SCOTT DIENI,
ADRIANNA C. ARAYA
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