Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 0 32:45
2010 56 370:25
2011 0 504:57
2012 232 524:55
2013 4 236:55
2014 28 499:40
2015 56 528:21
2016 17 355:25
2017 23 350:00
2018 149 365:40
2019 53 287:15
2020 0 30:30
 
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