Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 0 32:45
2010 23 370:25
2011 64 504:57
2012 244 524:55
2013 93 236:55
2014 72 499:40
2015 87 528:21
2016 73 355:25
2017 102 350:00
2018 92 365:40
2019 130 287:15
2020 2 30:30
 
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