Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 0 32:45
2010 4 370:25
2011 8 504:57
2012 31 524:55
2013 27 236:55
2014 69 499:40
2015 49 528:21
2016 39 355:25
2017 42 350:00
2018 27 365:40
2019 23 287:15
2020 0 30:30
 
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