Graph

Country
Migration site
Species
Period    
Sex
 Age
 Plumage
Present
Favourites

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 180 791:25
1978 256 820:52
1979 115 934:10
1980 61 731:36
1981 188 944:01
1982 259 768:05
1983 136 673:25
1984 143 682:07
1985 119 775:03
1986 91 933:53
1987 282 1120:12
1988 331 1184:32
1989 315 1293:12
1990 367 944:40
1991 322 858:50
1992 368 759:26
1993 410 827:13
1994 295 1135:36
1995 221 1315:15
1996 336 1503:39
1997 338 1460:20
1998 759 1162:42
1999 390 1225:50
2000 551 1031:40
2001 589 1273:17
2002 992 1125:31
2003 831 1253:15
2004 690 1065:05
2005 698 1106:54
2006 671 964:46
2007 884 1089:29
2008 686 1099:59
2009 913 1282:49
2010 690 1288:05
2011 658 1234:15
2012 1005 1364:55
2013 695 1352:29
2014 1201 1299:50
2015 1000 1223:30
2016 1407 1409:54
2017 1043 524:40
2018 978 1539:51
2019 834 1131:19
2020 1057 1214:00
2021 1129 1459:20
2022 69 678:15
 
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