Graph

Country
Migration site
Species
Period    
Sex
 Age
 Plumage
Present
Favourites

Year Totals Observation hours
1972 13 31:00
1973 2 18:15
1974 0 7:45
1975 2 18:30
1976 39 66:30
1977 0 23:45
1978 28 116:45
1979 43 71:45
1980 78 109:00
1981 234 78:00
1982 51 39:00
1983 57 71:00
1984 5 30:15
1985 71 98:00
1986 33 41:30
1987 84 42:15
1988 173 55:00
1989 43 47:15
1990 6 33:00
1991 5050 18:00
1992 313 28:30
1993 84 25:45
1994 23 40:00
1995 26 15:15
1996 4 5:00
1997 12 26:30
1998 0 20:00
1999 13 26:45
2000 10 27:30
2001 5 23:00
2002 17 26:55
2003 213 37:45
2004 31 30:10
2005 53 34:00
2006 15 41:33
2007 34 83:14
2008 17 56:33
2009 10 76:07
2010 14 52:50
2011 3 80:30
2012 24 94:05
2013 26 66:27
2014 47 41:10
2015 56 49:05
2016 44 19:00
2017 3231 123:39
2018 51 89:34
2019 44 98:07
2020 47 108:43
 
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