Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 0 32:45
2010 271 370:25
2011 347 504:57
2012 779 524:55
2013 160 236:55
2014 165 499:40
2015 167 528:21
2016 132 355:25
2017 201 350:00
2018 226 365:40
2019 108 287:15
2020 24 63:30
 
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