Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 647 351:50
2010 873 450:21
2011 169 633:10
2012 95 386:37
2013 109 378:15
2014 344 570:41
2015 243 320:04
2016 3 188:50
2017 57 125:15
2018 3 92:33
2019 1 89:07
 
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