Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 2 32:45
2010 34 370:25
2011 12 504:57
2012 12 524:55
2013 12 236:55
2014 19 499:40
2015 25 528:21
2016 18 355:25
2017 0 350:00
2018 3 365:40
2019 51 287:15
2020 0 30:30
 
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