Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 19 351:50
2010 284 450:21
2011 373 633:10
2012 95 386:37
2013 83 378:15
2014 178 570:41
2015 40 320:04
2016 119 188:50
2017 22 125:15
2018 1 92:33
2019 19 89:07
 
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