Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1953 19 51:15
1954 701 64:45
1955 201 81:45
1956 568 80:00
1957 74 99:45
1958 649 84:00
1959 1708 77:00
1960 188 68:45
1961 4989 84:30
1962 659 69:30
1963 1153 53:30
1964 95 53:15
1965 2313 68:30
1966 442 48:45
1967 521 31:00
1968 497 33:15
1969 523 36:15
1970 68 50:30
1971 131 38:15
1972 93 45:45
1973 814 27:15
1974 0 0:00
1975 349 55:15
1976 3300 48:00
1977 3866 43:15
1978 656 45:00
1979 799 52:00
1980 2642 51:45
1981 1704 62:00
1982 1551 177:30
1983 200 4:15
1984 2113 194:00
1985 1779 253:45
1986 1086 292:00
1987 3866 282:15
1988 1779 226:15
1989 1793 165:45
1990 1851 134:45
1991 1873 127:30
1992 458 114:30
1993 209 117:45
1994 1487 64:30
1995 245 90:30
1996 426 102:10
1997 32 89:00
1998 0 49:45
1999 1173 162:00
2000 35 123:30
2001 326 159:00
2002 25 111:45
2003 162 68:30
2004 2736 106:30
2005 616 112:30
2006 224 60:00
2007 4 70:30
2008 16 103:51
2009 138 78:30
2010 24 76:30
2011 558 214:15
2012 1011 225:50
2013 4104 180:30
2014 537 206:35
2015 75 77:15
2016 5 101:05
2017 3 55:40
2018 5 66:31
2019 4 90:45
 
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