Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 18 61:32
2007 455 211:28
2008 121 460:04
2009 95 365:00
2010 1026 637:04
2011 120 348:08
2012 249 333:29
2013 246 281:38
2014 42 156:47
2015 0 117:20
2016 1 142:02
2017 19 179:22
2018 428 222:16
2019 3 98:41
 
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