Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 385 23:40
2007 332 71:05
2008 370 94:25
2009 445 91:45
2010 1585 159:55
2011 704 208:42
2012 216 196:45
2013 667 239:26
2014 1566 218:15
2015 832 145:35
2016 669 217:52
2017 230 191:09
2018 755 243:43
2019 547 191:56
2020 1925 108:23
2021 363 156:10
 
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