Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 63 351:50
2010 277 450:21
2011 118 633:10
2012 136 386:37
2013 25 378:15
2014 113 570:41
2015 79 320:04
2016 7 188:50
2017 23 125:15
2018 33 92:33
2019 27 89:07
 
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