Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleTemporal increase in nest defence intensity of the willow tit (Parusmontanus): parental investment of methodological artifact?AuthorsOrell, M.; Koivula, K.; Rytkonen, S.SubjectsBIRD behaviorPublicationBehavioral Ecology & Sociobiology, 1990, Vol 27, Issue 4, p283ISSN0340-5443Publication typeArticle