Measuring the risk of predation in an energy currency: field experiments with foraging blue tits, Parus caeruleus

A technique for measuring the ‘risk of predation’, in an energy currency, is described. Experiments on free-living blue tits determined the extent to which feeding in a risky site was compensated by making food easier to obtain. The birds were trained to use operant feeding devices which were placed...

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Veröffentlicht in:	Animal behaviour 1990-07, Vol.40 (1), p.112-117
Hauptverfasser:	Todd, Ian A., Cowie, Richard J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal behavior Animal ethology Aves Biological and medical sciences Birds Food supply Fundamental and applied biological sciences. Psychology Predation Psychology. Psychoanalysis. Psychiatry Vertebrata
Online-Zugang:	Volltext
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