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Factors influencing Willow Tit Poecile montanus site occupancy: a comparison of abandoned and occupied woods

Alex J. G. Lewis, Auteur ; Arjun Amar, Auteur ; Daniel Cordi-Piec, Auteur ; Richard M. Thewlis, Auteur

Dans Ibis (149 NOV 2007)

The British Willow Tit Poecile montanus kleinschmidti underwent a decline of 85% between 1970 and 2003. The cause of this decline is unknown. However, several hypotheses have been put forward to account for it: competition from other tit species[...]

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