Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 1857 32:45
2010 2314 370:25
2011 4257 504:57
2012 5886 524:55
2013 31107 236:55
2014 6995 499:40
2015 2128 528:21
2016 18815 355:25
2017 9161 350:00
2018 6227 365:40
2019 27545 287:15
2020 40 30:30
 
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