Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 1987 351:50
2010 2835 450:21
2011 535 633:10
2012 369 386:37
2013 415 378:15
2014 975 570:41
2015 1107 320:04
2016 22 188:50
2017 126 125:15
2018 27 92:33
2019 4 89:07
 
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