Graph

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

Year Totals Observation hours
1960 0 0:00
1961 0 0:00
1962 0 0:00
1963 0 0:00
1964 0 0:00
1965 0 0:00
1966 0 0:00
1967 0 0:00
1968 0 0:00
1969 0 0:00
1970 0 0:00
1971 0 0:00
1972 0 0:00
1973 0 0:00
1974 0 0:00
1975 0 0:00
1976 0 0:00
1977 0 791:25
1978 0 820:52
1979 2 934:10
1980 2 731:36
1981 2 944:01
1982 0 768:05
1983 0 673:25
1984 0 682:07
1985 1 775:03
1986 0 933:53
1987 1 1120:12
1988 1 1184:32
1989 2 1293:12
1990 7 944:40
1991 0 858:50
1992 1 759:26
1993 0 827:13
1994 0 1135:36
1995 7 1315:15
1996 1 1503:39
1997 3 1460:20
1998 1 1162:42
1999 5 1225:50
2000 4 1031:40
2001 5 1273:17
2002 6 1125:31
2003 10 1253:15
2004 7 1065:05
2005 10 1111:24
2006 2 964:46
2007 2 1089:29
2008 8 1099:59
2009 2 1282:49
2010 4 1288:05
2011 8 1234:15
2012 10 1364:55
2013 17 1352:29
2014 2 1299:50
2015 7 1223:30
2016 9 1409:54
2017 1 524:40
2018 1 1539:51
2019 5 1131:19
2020 4 1214:00
2021 9 1459:20
2022 7 1340:25
2023 0 76:55
 
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