Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 0 32:45
2010 5 370:25
2011 10 504:57
2012 37 524:55
2013 7 236:55
2014 35 499:40
2015 33 528:21
2016 60 355:25
2017 45 350:00
2018 86 365:40
2019 312 287:15
 
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