| Titre : | A breeding colony of Mute Swans Cygnus olor at Lake Constance (Bodensee) |
| Auteurs : | Siegfried Schuster, Auteur |
| Type de document : | Article |
| Dans : | Ornithologischer Anzeiger (43(3) December 2004) |
| Article en page(s) : | 261-262 |
| Résumé : | On an island sized 800 m2 near Radolfzell at least 18 Mute Swans were breeding in May 2004. The level of the lake was very low and the reed lay dry. When the level of the lake rose at the beginning of June by 60 cm, the stock was regulated, only 2 Mute Swans were able to breed successfully. |



