Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 1 351:50
2010 1 450:21
2011 10 633:10
2012 19 386:37
2013 2 378:15
2014 41 570:41
2015 8 320:04
2016 0 188:50
2017 4 125:15
2018 2 92:33
2019 24 89:07
 
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