Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 0 32:45
2010 17 370:25
2011 135 504:57
2012 412 524:55
2013 166 236:55
2014 507 499:40
2015 304 528:21
2016 757 355:25
2017 549 350:00
2018 1680 365:40
2019 2507 287:15
2020 10 30:30
 
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