Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 0 32:45
2010 6 370:25
2011 219 504:57
2012 238 524:55
2013 21 236:55
2014 19 499:40
2015 13 528:21
2016 23 355:25
2017 34 350:00
2018 8 365:40
2019 16 287:15
2020 0 30:30
 
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