Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 0 32:45
2010 4 370:25
2011 5 504:57
2012 16 524:55
2013 0 236:55
2014 0 499:40
2015 0 528:21
2016 3 355:25
2017 10 350:00
2018 5 365:40
2019 25 287:15
2020 0 195:00
 
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