Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 63 351:50
2010 101 450:21
2011 43 633:10
2012 42 386:37
2013 19 378:15
2014 106 570:41
2015 70 320:04
2016 2 188:50
2017 25 125:15
2018 5 92:33
2019 0 89:07
 
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