Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 1316 61:32
2007 6218 211:28
2008 10700 460:04
2009 10732 365:00
2010 8948 637:04
2011 11047 348:08
2012 5628 333:29
2013 7693 281:38
2014 11467 156:47
2015 38 117:20
2016 962 142:02
2017 2168 179:22
2018 2655 222:16
2019 1 98:41
 
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