Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 1 32:45
2010 3 370:25
2011 5 504:57
2012 7 524:55
2013 2 236:55
2014 7 499:40
2015 4 528:21
2016 3 355:25
2017 1 350:00
2018 4 365:40
2019 6 287:15
 
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