Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 31 32:45
2010 514 370:25
2011 1058 504:57
2012 684 524:55
2013 361 236:55
2014 255 499:40
2015 988 528:21
2016 1493 355:25
2017 1537 350:00
2018 1764 365:40
2019 1432 287:15
2020 29 30:30
 
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