Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2004 315 114:30
2007 1843 302:40
2008 1251 348:00
2009 388 74:00
2010 48 13:30
2018 828 246:25
2019 1413 290:45
2020 966 286:25
 
Partners