Irruptive Land Birds on the Santa Cruz County Christmas Bird Count

Prepared by David L. Suddjian, Santa Cruz Bird Club Bird Records Keeper

Part I
        Introduction
        The Count Circles
        Data Analysis and Changes in Observer Effort and Coverage

Part II
        Red-breasted Nuthatch
        Golden-Crowned Kinglet
        Hermit Thrush

Part III
        American Robin
        Varied Thrush
        Cedar Waxwing
        Red Crossbill

Part IV
        Pine Siskin
        American Goldfinch
        Evening Grosbeak
        Trends among Groups of Irruptive Species

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