Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 0 351:50
2010 76 450:21
2011 39 633:10
2012 39 386:37
2013 61 378:15
2014 12 570:41
2015 7 320:04
2016 0 188:50
2017 0 125:15
2018 3 92:33
2019 5 89:07
 
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