Tadorna tadorna

(Shelduck, Tadorne de Belon, Brandgans, Tarro blanco)

Example 1 IMG 8640 (22.12.2012)

Date 22.10.2012
Location Helgoland, Düne, District Pinneberg (Schleswig-Holstein, Germany)
Origin Moulting feather found on the beach near the lighthouse
Age and sex  
Feathers 1 Tail-feather (11,8 mm)
Literature  

Species List

     
Example 2 IMG 9119 (22.12.2012)

Date 22.10.2012
Location Helgoland, Düne, District Pinneberg (Schleswig-Holstein, Germany)
Origin Moulting feathers found on the beach near the lighthouse
Age and sex  
Feathers 2 Secondaries [S16 (left, 150 mm) and S13 (right, 175 mm)]; 1 scapular feather (middle, 129 mm)
Literature  

Species List

     
Example 3 IMG 9148 (09.02.2013)

Species List

Date 12.09.2001
Location Meldorfer Speicherkoog, Nordfriesland (Schleswig-Holstein)
Origin Moulting feather, found at the seaside of the dyke north of the harbour of Meldorf
Age and sex  
Feathers 10th primary of the left wing (217 mm) (217 mm)
Literature  
     
Literature H.-H. Bergmann, Vogelfedern an Nord- und Ostsee - Finden und Bestimmen, Quelle & Meyer Verlag, Wiebelsheim 2010, ISBN 978-3-494-01492-0, page 90

R. Brown, J. Ferguson, M. Lawrence, D. Lees, Federn, Spuren und Zeichen, 3. Auflage, Aula-Verlag, Wiebelsheim 2003, ISBN 3-89104-666-9, page 248 - 249

R. März, Gewöll- und Rupfungskunde, 3. von Konrad Banz neu bearbeitete Auflage, Akademieverlag Berlin, 1987, ISBN 3-05-500157-5, page 170 and 173