Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 28 61:32
2007 1 211:28
2008 0 460:04
2009 12 365:00
2010 1376 637:04
2011 557 348:08
2012 389 333:29
2013 461 281:38
2014 279 156:47
2015 0 117:20
2016 14 142:02
2017 0 179:22
2018 456 222:16
2019 0 98:41
 
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