Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 138 351:50
2010 165 450:21
2011 63 633:10
2012 71 386:37
2013 26 378:15
2014 163 570:41
2015 178 320:04
2016 3 188:50
2017 56 125:15
2018 5 92:33
2019 0 89:07
 
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