Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 0 23:40
2007 1 71:05
2008 0 94:25
2009 5 91:45
2010 2 159:55
2011 0 208:42
2012 2 196:45
2013 0 239:26
2014 0 218:15
2015 0 145:35
2016 0 217:52
2017 0 191:09
2018 0 243:43
2019 0 172:06
 
Partners