Anser anser

(Greylag Goose, Oie cendrée, Graugans, Ánsar común)

Example 1 IMG 8658 (25.12.2012)

Date 18.08.2012 (1) and 19.08.2012 (2)
Location London, Regent Park (1) and London, Hide Park (2) (Great Britain)
Origin Moulting feathers found on lawns
Age and sex  
Feathers 2 Tail-feathers (both 160 mm)
Literature  

Species List

     
Example 2 IMG 9286 (17.02.2013)

Date 01.07.2007
Location Þingvellir, National Park, Suðurland (Iceland)
Origin Moulting feather
Age and sex  
Feathers 8th Primary (320 mm) of the right wing
Literature  

Species List

     
Example 3 IMG 0497 (05.04.2015)

Date 13.09.2014
Location Arlington Reservoir, East Sussex (England)
Origin Moulting feather of diferent birds
Age and sex  
Feathers 3 Wing-feathers (A, B, C); 1 tail-feather (T)
Literature  

Species List

     
Example 4 IMG 1052 (27.12.2015)

Date 22.09.2002
Location De Cocksdorp, Texel (Noord-Holland, The Netherlands)
Origin Moulting feather
Age and sex  
Feathers Tail-feather
Literature  

Species List

     
Literature H. H. Bergmann, Die Federn der Vögel Mitteleuropas - Ein Handbuch zur Bestimmung der wichtigsten Arten, Aula - Verlag GmbH, Wiebelsheim 2015, ISBN 978-3-89104-784-2, page 362

H.-H. Bergmann, Vogelfedern an Nord- und Ostsee - Finden und Bestimmen, Quelle & Meyer Verlag, Wiebelsheim 2010, ISBN 978-3-494-01492-0, page 87

R. Brown, J. Ferguson, M. Lawrence, D. Lees, Tracks and Signs of the Birds of Britain and Europe, second edition, reprinted 2013, Christopher Helm London, ISBN 978-0-7136-5382-3, page 248 - 249

Wilfried Hansen, J. Synnatzschke, The Tail Feathers of the Birds of Central Europe, Fully revised new edition, Federfuehrer Publishers, Gütersloh and Leipzig, 2015, ISBN 97814399280210, page 570-573

R. März, Gewöll- und Rupfungskunde, 3. von Konrad Banz neu bearbeitete Auflage, Akademieverlag Berlin, 1987, ISBN 3-05-500157-5, page 171