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  • Home range and habitat use of pileated woodpeckers, western Oregon

    Creator:
    Mellen, Teresa Kim
    Abstract:
    Home range and habitat use by pileated woodpeckers (Dryocopus pileatus) were studied in the Coast Ranges of western Oregon. Radio-telemetry was used to determine home ranges of 11 woodpeckers and habitat use of 14 woodpeckers after young had fledged during summers from 1982 to 1985. Home range size for individual...
    Resource Type:
    Masters Thesis
    Full Text:
    , Dr. J. Crawford and Dr. J. Tappeiner, for their suggestions which contributed to the quality of the

  • Status and habitat preference of California bighorn sheep on Sheldon National Wildlife Refuge, Nevada

    Creator:
    Hansen, Michael Charles
    Abstract:
    A herd of California bighorn sheep (Ovis canadensis californiana), re-introduced to the area of Hell Creek on the Sheldon National Wildlife Refuge in northwestern Nevada, was studied from 15 June 1978 to 20 August 1980. Major vegetation and physiographic types were delineated and described. Habitat preferences were determined from field...
    Resource Type:
    Masters Thesis
    Full Text:
    . J.A. Crawford, Dr. A. Winward, and Dr. S.H. Sharrow, for their advice and support during this study