Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 0 351:50
2010 464 450:21
2011 245 633:10
2012 38 386:37
2013 39 378:15
2014 140 570:41
2015 158 320:04
2016 462 188:50
2017 70 125:15
2018 31 92:33
2019 29 89:07
 
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