Graph

Country
Migration site
Species
Period
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 319 61:32
2007 12903 211:28
2008 451 460:04
2009 390 365:00
2010 712 637:04
2011 608 348:08
2012 193 333:29
2013 417 281:38
2014 77 156:47
2015 3 117:20
2016 454 142:02
2017 697 179:22
2018 1467 222:16
2019 18 98:41
 
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