Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 0 32:45
2010 28 370:25
2011 27 504:57
2012 28 524:55
2013 21 236:55
2014 13 499:40
2015 9 528:21
2016 8 355:25
2017 7 350:00
2018 12 365:40
2019 19 287:15
2020 18 370:55
2021 5 156:00
 
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