Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 332 351:50
2010 240 450:21
2011 212 633:10
2012 130 386:37
2013 145 378:15
2014 296 570:41
2015 248 320:04
2016 19 188:50
2017 55 125:15
2018 70 92:33
2019 36 89:07
 
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