Zur feldornithologischen Unterscheidung der Weibchen von Reiherente (Aythya fuligula) und Bergente (Aythya marila)

• Main Author: Bruns
• Format: Text
• Language: German
• Published: 1985
• Subjects: Bruns; Aythya marila; bergente
• Online Access: http://nbn-resolving.org/urn:nbn:de:hebis:30:4-179606; http://nbn-resolving.de/urn:nbn:de:hebis:30:4-179606

H. Bruns