Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 3 351:50
2010 66 450:21
2011 126 633:10
2012 221 386:37
2013 77 378:15
2014 20 570:41
2015 81 320:04
2016 19 188:50
2017 19 125:15
2018 6 92:33
2019 12 89:07
 
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