Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 249 351:50
2010 319 450:21
2011 174 633:10
2012 74 386:37
2013 25 378:15
2014 106 570:41
2015 219 320:04
2016 7 188:50
2017 35 125:15
2018 7 92:33
2019 0 89:07
 
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