Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 128 351:50
2010 152 450:21
2011 67 633:10
2012 94 386:37
2013 54 378:15
2014 86 570:41
2015 58 320:04
2016 64 188:50
2017 5 125:15
2018 27 92:33
2019 24 89:07
 
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