| Titre : | Successfull breeding of a Coal Tit (Parus ater) at an unusual nesting site. |
| Auteurs : | Wolfgang Winkel, Auteur ; Doris Winkel, Auteur |
| Type de document : | Article |
| Dans : | Vogelwarte (41(4) Dezember 2002) |
| Article en page(s) : | 298-300 |
| Langues: | Allemand |
| Résumé : | We found a Coal Tit pair breeding successfully in the hole of an iron tube of a path-barrier although the tube with the nest inside was constantly raised up from horizontal to vertical position when the barrier was opened. |



