Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1997 883 39:30
1999 174 10:00
2001 5222 594:30
2002 0 0:00
2005 129 77:15
2006 144 32:05
2007 144 88:45
2008 712 100:00
2009 267 52:20
2010 65 48:05
2011 217 88:24
2012 105 36:20
2013 368 37:30
2014 315 30:40
2015 160 44:40
2016 655 171:15
2017 532 179:29
2018 2678 380:50
2019 4675 344:15
 
Partners