Nesting behaviour and breeding success of Willow Tits Poecile montanus in north-west England
The British Willow Tit Poecile montanus has undergone a substantial decline in abundance and a severe contraction in range since the 1970s, for reasons that are poorly understood. Breeding failure, due to nest-site competition and predation, has been suggested as a potential factor in the decline, b...
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Veröffentlicht in: | Ringing & migration 2018-07, Vol.33 (2), p.75-85 |
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Format: | Artikel |
Sprache: | eng |
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