Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 4 61:32
2007 9 211:28
2008 44 460:04
2009 33 365:00
2010 23 637:04
2011 9 348:08
2012 29 333:29
2013 17 281:38
2014 14 156:47
2015 4 117:20
2016 4 142:02
2017 16 179:22
2018 18 222:16
2019 0 106:24
 
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