Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 475 57:05
2010 180 51:45
2011 84 48:00
2012 71 6:50
2013 10 16:15
2014 4 13:15
2015 0 1:00
2016 40 11:20
2017 0 0:00
2018 1 1:20
2019 1 3:40
 
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