Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 0 32:45
2010 2 370:25
2011 6 504:57
2012 4 524:55
2013 9 236:55
2014 14 499:40
2015 5 528:21
2016 1 355:25
2017 1 350:00
2018 4 365:40
2019 4 287:15
2020 0 63:30
 
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