Colony attendance and censusing of Black Guillemots Cepphus grylle in Shetland

• Published in: Bird Study
• Main Author: Ewins, Peter J.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Informa UK Limited 1985
• Subjects: Nature and Landscape Conservation; Ecology, Evolution, Behavior and Systematics; Cepphus grylle
• Online Access: http://dx.doi.org/10.1080/00063658509476876; http://www.tandfonline.com/doi/pdf/10.1080/00063658509476876