Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 97 351:50
2010 136 450:21
2011 80 633:10
2012 156 386:37
2013 58 378:15
2014 171 570:41
2015 63 320:04
2016 38 188:50
2017 12 125:15
2018 8 92:33
2019 10 89:07
 
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