Do Common Ravens Yell because They Want to Attract Others?

The formation of groups at food bonanzas results from a variety of mechanism, which include recruitment by signalling and information parasitism. Recruitment is distinguished from information parasitism on functional grounds: attraction of a crowd is termed recruitment if the signaler's fitness...

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Veröffentlicht in:	Behavioral ecology and sociobiology 1991-01, Vol.28 (1), p.13-21
Hauptverfasser:	Heinrich, B., Marzluff, J. M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal ethology Aves Aviary birds Biological and medical sciences Birds Corvus corax Food Food access Fundamental and applied biological sciences. Psychology Hunger Immatures Male animals Psychology. Psychoanalysis. Psychiatry Ravens Shouting Vertebrata Wild birds
Online-Zugang:	Volltext
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