Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 0 32:45
2010 1 370:25
2011 15 504:57
2012 3 524:55
2013 3 236:55
2014 20 499:40
2015 2 528:21
2016 9 355:25
2017 5 350:00
2018 7 365:40
2019 14 287:15
 
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