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 22 791:25
1978 41 820:52
1979 1 934:10
1980 15 731:36
1981 9 944:01
1982 3 768:05
1983 4 673:25
1984 5 682:07
1985 27 775:03
1986 1 933:53
1987 2 1120:12
1988 14 1184:32
1989 500 1293:12
1990 1 944:40
1991 18 858:50
1992 2 759:26
1993 141 827:13
1994 84 1135:36
1995 0 1315:15
1996 1601 1503:39
1997 222 1460:20
1998 1 1162:42
1999 19 1225:50
2000 0 1031:40
2001 12 1273:17
2002 10 1125:31
2003 72 1253:15
2004 2 1065:05
2005 231 1106:54
2006 2 964:46
2007 97 1081:59
2008 258 1099:59
2009 1 1282:49
2010 28 1288:05
2011 1 1234:15
2012 45 1364:55
2013 1 1352:29
2014 1 1299:50
2015 22 1223:30
2016 0 1409:54
2017 5 524:40
2018 0 1539:51
2019 1 1131:19
2020 2 1214:00
2021 0 189:15
 
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