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  1. Managing Rock Squirrels in Utah

    Contributor(s):: Nicki Frey

    Although they do not exist in large colonies like other ground squirrels, rock squirrels can still sometimes generate conflicts with homeowners and farmers alike. Most damage occurs when a few rock squirrels take residence in a homeowner’s back yard, and begin to forage on garden vegetables...

  2. Anthraquinone repellent to reduce take of non-target birds from zinc phosphide rodenticide applications

    Contributor(s):: Werner, S. J., Tupper, S. K., Pettit, S. E., Carlson, J. C., Linz, G. M.

    We evaluated anthraquinone as an avian repellent to reduce take of non-target birds from zinc phosphide rodenticide applications. We observed zero mortalities and no overt signs of zinc phosphide toxicosis among 20 Canada geese (Branta canadensis), 24 horned larks (Eremophila alpestris), and 47...

  3. Colorado animal-based plague surveillance systems: relationships between targeted animal species and prediction efficacy of areas at risk for humans

    Contributor(s):: Lowell, J. L., Eisen, R. J., Schotthoefer, A. M., Liang, X. C., Montenieri, J. A., Tanda, D., Pape, J., Schriefer, M. E., Antolin, M. F., Gage, K. L.

    Human plague risks (Yersinia pestis infection) are greatest when epizootics cause high mortality among this bacterium's natural rodent hosts. Therefore, health departments in plague-endemic areas commonly establish animal-based surveillance programs to monitor Y. pestis infection among plague...

  4. Quantifying human disturbance on antipredator behavior and flush initiation distance in yellow-bellied marmots

    Contributor(s):: Li, ChunWang, Monclus, R., Maul, T. L., Jiang, ZhiGang, Blumstein, D. T.

    Human disturbance may differentially affect the behavior of wild animals and such behavioral perturbations may have fitness consequences. To understand the effects of specific types of human disturbance on antipredator behavior, a behavior whose performance enhances survival, we studied...

  5. Movement and mortality of translocated urban-suburban grey squirrels

    Contributor(s):: Adams, L. W., Hadidian, J., Flyger, V.

    During summer and autumn of 1994-1997, we determined the movements and mortality of 38 adult male Eastern grey squirrels (Sciurus carolinensis) that had been captured in urban-suburban backyards and translocated to a large forest. The squirrels did not fare well. Squirrels not found dead or...