Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 15 32:45
2010 23 370:25
2011 15 504:57
2012 18 524:55
2013 0 236:55
2014 41 499:40
2015 17 528:21
2016 46 355:25
2017 23 350:00
2018 51 365:40
2019 60 287:15
2020 26 307:25
 
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