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 3 791:25
1978 2 820:52
1979 1 934:10
1980 0 731:36
1981 0 944:01
1982 2 768:05
1983 1 673:25
1984 0 682:07
1985 0 775:03
1986 1 933:53
1987 1 1120:12
1988 4 1184:32
1989 1 1293:12
1990 1 944:40
1991 1 858:50
1992 1 759:26
1993 3 827:13
1994 3 1135:36
1995 0 1315:15
1996 1 1503:39
1997 0 1460:20
1998 8 1162:42
1999 4 1225:50
2000 1 1031:40
2001 2 1273:17
2002 0 1125:31
2003 12 1253:15
2004 9 1065:05
2005 4 1106:54
2006 8 964:46
2007 8 1081:59
2008 10 1099:59
2009 3 1282:49
2010 2 1288:05
2011 3 1234:15
2012 15 1364:55
2013 5 1352:29
2014 3 1299:50
2015 3 1223:30
2016 5 1409:54
2017 1 524:40
2018 5 1539:51
2019 10 1131:19
2020 25 1214:00
2021 3 729:45
 
Partners