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Showing 1 to 4 of 4 for “"Loggerhead shrike"”.
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Factors affecting loggerhead shrike mortality in Virginia
I studied loggerhead shrikes (Lanius ludovicianus) in the Shenandoah Valley in Virginia from April 1987 to April 1988; factors affecting mortality rates wring the breeding season, fall dispersal, and winter were investigated., The high reproductive,success in this study was similar to that reported …
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Status and breeding ecology of the loggerhead shrike in Virginia
Although loggerhead shrikes (<i>Lanius ludovicianus</i>) are still relatively widespread, Breeding Bird Survey results indicate that breeding population have declined substantially in Virginia and other parts of the species' range. Loggerhead shrikes should be considered for federal threatened …
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Loggerhead shrike (<i>lanius ludovicianus L</i>) foraging patch and perch selection
<p>Loggerhead shrikes have disappeared across much of their former range, most likely due to habitat loss. I studied the habitat shrikes prefer for foraging. Shrikes forage from a perch on prey that they see in the surrounding vegetation. When I mowed the vegetation on one side of selected perches, …