Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1971 52 1:15
1972 0 0:30
1974 63 6:30
1977 384 2:30
1982 270 1:50
1983 657 13:30
1984 1174 12:30
1985 434 20:15
1986 65 2:00
1987 450 3:30
1988 125 3:15
1989 687 9:30
1990 0 0:00
1991 50 4:30
1992 0 3:00
1993 130 6:46
1994 450 1:00
1995 310 9:45
1996 300 5:15
1997 30 6:15
1998 50 6:30
1999 50 4:15
2000 620 8:45
2001 4190 24:00
2002 195 11:30
2003 145 6:14
2004 1034 52:15
2005 3415 370:45
2006 10011 560:00
2007 4870 568:00
2008 5806 623:30
2009 3605 346:10
2010 1671 257:51
2011 5917 379:30
2012 6234 474:30
2013 4736 449:30
2014 13051 366:57
2015 5251 241:57
2016 3283 386:02
2017 9076 309:56
2018 2964 319:16
2019 2803 243:15
 
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