Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 0 61:32
2007 1 211:28
2008 14 460:04
2009 18 365:00
2010 31 637:04
2011 27 348:08
2012 18 333:29
2013 30 281:38
2014 9 156:47
2015 15 117:20
2016 0 142:02
2017 2 179:22
2018 0 222:16
2019 0 152:44
 
Partners