Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 0 351:50
2010 11 450:21
2011 9 633:10
2012 42 386:37
2013 2 378:15
2014 16 570:41
2015 48 320:04
2016 1 188:50
2017 2 125:15
2018 8 92:33
2019 38 89:07
 
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