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 118 791:25
1978 78 820:52
1979 58 934:10
1980 182 731:36
1981 157 944:01
1982 118 768:05
1983 140 673:25
1984 159 682:07
1985 161 775:03
1986 178 933:53
1987 291 1120:12
1988 341 1184:32
1989 449 1293:12
1990 303 944:40
1991 273 858:50
1992 358 759:26
1993 277 827:13
1994 292 1135:36
1995 215 1315:15
1996 310 1503:39
1997 324 1460:20
1998 423 1162:42
1999 595 1225:50
2000 196 1031:40
2001 387 1273:17
2002 525 1125:31
2003 650 1253:15
2004 735 1065:05
2005 757 1111:24
2006 351 964:46
2007 1489 1089:29
2008 1620 1099:59
2009 451 1282:49
2010 817 1288:05
2011 615 1234:15
2012 876 1364:55
2013 417 1352:29
2014 494 1299:50
2015 601 1223:30
2016 256 1409:54
2017 403 524:40
2018 315 1539:51
2019 707 1131:19
2020 606 1214:00
2021 1480 1459:20
2022 420 1340:25
2023 11 10:45
 
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