Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 78 351:50
2010 133 450:21
2011 34 633:10
2012 29 386:37
2013 33 378:15
2014 43 570:41
2015 67 320:04
2016 1 188:50
2017 4 125:15
2018 0 92:33
2019 1 89:07
 
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