Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 0 32:45
2010 1 370:25
2011 3 504:57
2012 11 524:55
2013 5 236:55
2014 58 499:40
2015 29 528:21
2016 23 355:25
2017 9 350:00
2018 54 365:40
2019 4 287:15
2020 0 63:30
 
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