Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 59 351:50
2010 183 450:21
2011 98 633:10
2012 184 386:37
2013 66 378:15
2014 146 570:41
2015 154 320:04
2016 9 188:50
2017 46 125:15
2018 34 92:33
2019 107 89:07
 
Partners