Notes on the social status of the Coal Tit (Parus ater) and the Crested Tit (Parus cristatus) in the Pyrenees

• Autores: Lluís Brotons Alabau
• Localización: Butlletí del Grup Català d'Anellament, ISSN 1130-2070, Vol. 14, Nº. 1, 1997, págs. 69-72
• Idioma: inglés
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• Resumen

  • Social interactions between Coal and Crested Tits of known age and residence status were investigated at a feeder in the Pyrenees. In accordance with previous studies, the relation between these two species was not clear-cut, since at the feeder an adult male Coal Tit was able to dominate a yearling female Crested Tit. Site-related dominance was probably the main cause for the detected deviation from the generally recognised size-related hierarchy in these two species