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  • Countryside Bird Survey : Status and Trends of Common and Widespread Breeding Birds 1998-2016 

    Lewis, Lesley; Coombes, Dick; Burke, Brian; O'Halloran, John; Walsh, Alyn; Tierney, David; Cummins, Sinéad (National Parks and Wildlife Service. Department of Culture, Heritage and the Gaeltacht, ireland, 2019-12)
    Irish wildlife manuals, No.115, 2019
    The Countryside Bird Survey (CBS) is an annual survey that tracks the breeding populations of Ireland’s common and widespread birds. This on-going survey is underpinned by the efforts of around 200 field surveyors, mostly ...