Istituto di Scienza e Tecnologie dell'Informazione     
Benvenuti S., Dall'Antonia L., Lyngs P. Foraging behaviour and time allocation of chick-rearing Razorbills Alca torda at Graesholmen, central Baltic Sea. In: Ibis, vol. 143 pp. 402 - 412. British Ornithologists'Union, 2001.
A new type of bird-borne data logger, which stores data from flight and depth sensors at pre-set intervals, was used to investigate the foraging pattern and the diving behaviour of chick rearing Razorbills Alca torda breeding on the isslet of Graesholmen (central Baltic Sea, Denmark). The instruments recorded all relevant events in the 35 foraging trips accomplished by six different individual birds; a seeeenth bird, equipped with a direction recorder, provided information on directional preferences exhibited on seven different trips.
Subject data logger
I.5.4 Applications

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