Developing methods for the field survey and monitoring of breeding Short-eared Owls (Asio flammeus) in the UK: final report from pilot fieldwork in 2006 and 2007
Author(s): Calladine, J., Garner, G. & Wernham, C.
Published: January 2008 Issue No.: 496 Pages: 60pp
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Working together for seabirds
BTO work supports effective monitoring of our seabirds and aims to provide opportunities for a new generation of seabird surveyors.