Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 5 61:32
2007 693 211:28
2008 2707 460:04
2009 4258 365:00
2010 20181 637:04
2011 17203 348:08
2012 2431 333:29
2013 5490 281:38
2014 1994 156:47
2015 1456 117:20
2016 359 142:02
2017 223 179:22
2018 1542 222:16
2019 1823 246:33
2020 18 165:57
 
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