Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 0 32:45
2010 0 370:25
2011 29 504:57
2012 0 524:55
2013 2 236:55
2014 8 499:40
2015 14 528:21
2016 5 355:25
2017 0 350:00
2018 4 365:40
2019 2 287:15
 
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