Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 200 32:45
2010 1882 370:25
2011 1986 504:57
2012 2740 524:55
2013 1761 236:55
2014 3366 499:40
2015 3043 528:21
2016 2230 355:25
2017 5297 350:00
2018 4047 365:40
2019 2801 287:15
 
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