Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 2 32:45
2010 42 370:25
2011 100 504:57
2012 64 524:55
2013 71 236:55
2014 83 499:40
2015 72 528:21
2016 81 355:25
2017 90 350:00
2018 44 365:40
2019 204 287:15
2020 79 370:55
 
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