Graph

Country
Migration site
Species
Period
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 0 61:32
2007 733 211:28
2008 0 460:04
2009 393 365:00
2010 1675 637:04
2011 1780 348:08
2012 2481 333:29
2013 2032 281:38
2014 1594 156:47
2015 255 117:20
2016 470 142:02
2017 2093 179:22
2018 2480 222:16
2019 122 98:41
 
Partners