Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 0 32:45
2010 1 370:25
2011 1 504:57
2012 4 524:55
2013 1 236:55
2014 11 499:40
2015 0 528:21
2016 7 355:25
2017 18 350:00
2018 6 365:40
2019 12 287:15
2020 37 30:30
 
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