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 1 791:25
1978 2 820:52
1979 0 934:10
1980 1 731:36
1981 2 944:01
1982 0 768:05
1983 0 673:25
1984 0 682:07
1985 0 775:03
1986 0 933:53
1987 0 1120:12
1988 2 1184:32
1989 2 1293:12
1990 1 944:40
1991 2 858:50
1992 0 759:26
1993 1 827:13
1994 2 1135:36
1995 5 1315:15
1996 79 1503:39
1997 109 1460:20
1998 10 1162:42
1999 212 1225:50
2000 172 1031:40
2001 324 1273:17
2002 143 1125:31
2003 109 1253:15
2004 154 1065:05
2005 634 1111:24
2006 49 964:46
2007 217 1089:29
2008 83 1099:59
2009 145 1282:49
2010 6 1288:05
2011 65 1234:15
2012 15 1364:55
2013 15 1352:29
2014 9 1299:50
2015 19 1223:30
2016 111 1409:54
2017 54 524:40
2018 38 1539:51
2019 101 1131:19
2020 90 1214:00
2021 57 1459:20
2022 63 1340:25
2023 0 86:05
 
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