Graph

Country
Migration site
Species
Period    
Sex
 Age
 Plumage
Present
Favourites

Year Totals Observation hours
1971 24 1:15
1972 0 0:30
1974 227 6:30
1977 64 2:30
1982 29 1:50
1983 26 13:30
1984 599 12:30
1985 111 20:15
1986 0 2:00
1987 0 3:30
1988 0 3:15
1989 3 9:30
1990 0 0:00
1991 450 4:30
1992 0 3:00
1993 2 6:46
1994 0 1:00
1995 145 9:45
1996 100 5:15
1997 33 6:15
1998 300 6:30
1999 13 4:15
2000 0 8:45
2001 93 24:00
2002 18 11:30
2003 400 6:14
2004 1030 52:15
2005 9279 370:45
2006 19244 560:00
2007 3174 568:00
2008 3332 623:30
2009 3903 346:10
2010 3309 257:51
2011 5034 379:30
2012 2674 474:30
2013 7030 449:30
2014 1906 366:57
2015 2308 241:57
2016 7622 386:02
2017 1531 309:56
2018 6997 319:16
2019 771 243:15
2020 7297 304:06
2021 581 186:53
 
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