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1 March 2003 A Floating Platform: a Solution to Collecting Pellets When Cormorants Roost Over Water
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Abstract

Wintering roosts of Great Cormorants (Phalacrocorax carbo) on Lake Como, northern Italy, are often inaccessible. We describe an easy-to-build, cheap and efficient technique to collect pellets at inaccessible roosts, which enabled us to study the diet of cormorants without causing disturbance, or killing birds. A floating platform was built using iron bars, sea-plywood panels and plastic tanks which was placed on the lake’s surface, to collect pellets ejected by cormorants using a roost on the eastern shore of the western basin of Lake Como. During two winter periods (February 2001-March 2001 and December 2001-March 2002) 106 samples were retrieved from the platform, measuring 17.5 m2.

Alessandra Gagliardi, Adriano Martinoli, Luc Wauters, and Guido Tosi "A Floating Platform: a Solution to Collecting Pellets When Cormorants Roost Over Water," Waterbirds 26(1), 54-55, (1 March 2003). https://doi.org/10.1675/1524-4695(2003)026[0054:AFPAST]2.0.CO;2
Received: 30 May 2002; Accepted: 1 July 2002; Published: 1 March 2003
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