Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 0 351:50
2010 6 450:21
2011 38 633:10
2012 60 386:37
2013 65 378:15
2014 86 570:41
2015 15 320:04
2016 1 188:50
2017 0 125:15
2018 17 92:33
2019 0 89:07
 
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