Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 11168 61:32
2007 10370 211:28
2008 4073 460:04
2009 12599 365:00
2010 23519 637:04
2011 6804 348:08
2012 4632 333:29
2013 8118 281:38
2014 234 156:47
2015 0 117:20
2016 2872 142:02
2017 1363 179:22
2018 1969 222:16
2019 1407 246:33
 
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