Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 0 32:45
2010 0 370:25
2011 11 504:57
2012 3 524:55
2013 16 236:55
2014 11 499:40
2015 9 528:21
2016 8 355:25
2017 25 350:00
2018 55 365:40
2019 12 287:15
2020 4 22:00
 
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