Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 0 32:45
2010 23 370:25
2011 55 504:57
2012 28 524:55
2013 60 236:55
2014 57 499:40
2015 65 528:21
2016 28 355:25
2017 38 350:00
2018 24 365:40
2019 55 287:15
2020 2 30:30
 
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