Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 2476 32:45
2010 9869 370:25
2011 18789 504:57
2012 14572 524:55
2013 11313 236:55
2014 24471 499:40
2015 29781 528:21
2016 26758 355:25
2017 16394 350:00
2018 27456 365:40
2019 26174 287:15
 
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