Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 0 32:45
2010 7 370:25
2011 38 504:57
2012 36 524:55
2013 32 236:55
2014 46 499:40
2015 94 528:21
2016 9 355:25
2017 82 350:00
2018 25 365:40
2019 32 287:15
2020 7 30:30
 
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