Graph

Country
Migration site
Species
Period
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 6 23:40
2007 9 71:05
2008 9 94:25
2009 8 91:45
2010 19 159:55
2011 39 208:42
2012 46 196:45
2013 32 239:26
2014 25 218:15
2015 17 145:35
2016 20 217:52
2017 22 191:09
2018 22 243:43
2019 3 140:00
 
Partners