Graph

Country
Migration site
Species
Period    
Sex
 Age
 Plumage
Present
Favourites
Don't use roostmigration

Year Totals Observation hours
1971 0 1:15
1972 0 0:30
1974 0 6:30
1977 0 2:30
1982 0 1:50
1983 0 13:30
1984 0 12:30
1985 0 20:15
1986 0 2:00
1987 0 3:30
1988 0 3:15
1989 0 9:30
1990 0 0:00
1991 0 4:30
1992 0 3:00
1993 0 6:46
1994 0 1:00
1995 0 9:45
1996 0 5:15
1997 0 6:15
1998 0 6:30
1999 0 4:15
2000 0 8:45
2001 0 24:00
2002 0 11:30
2003 0 6:14
2004 76 52:15
2005 275 370:45
2006 138 560:00
2007 83 568:00
2008 58 623:30
2009 6 346:10
2010 191 257:51
2011 4 379:30
2012 43 474:30
2013 39 449:30
2014 64 366:57
2015 14 241:57
2016 76 386:02
2017 1 309:56
2018 32 319:16
2019 1 243:15
2020 14 304:06
2021 2 186:53
2022 0 219:44
 
Partners