Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 1 32:45
2010 7 370:25
2011 12 504:57
2012 14 524:55
2013 7 236:55
2014 12 499:40
2015 14 528:21
2016 6 355:25
2017 6 350:00
2018 19 365:40
2019 26 287:15
2020 2 30:30
 
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