Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1983 339 9:15
1984 366 27:20
1985 185 29:00
1986 337 69:40
1987 411 47:00
1988 29 17:30
1989 1342 45:00
1990 248 35:00
1991 334 48:28
1992 98 45:00
1993 368 51:30
1994 95 27:30
1995 318 50:00
1996 167 49:15
1997 226 34:50
1998 107 50:00
1999 573 57:20
2000 1300 42:30
2001 1284 69:35
2002 1167 76:40
2003 424 108:30
2004 333 111:45
2005 3898 145:21
2006 2643 152:17
2007 3188 187:59
2008 4843 132:42
2009 369 75:32
2010 2568 236:16
2011 2986 281:19
2012 5482 394:00
2013 3989 408:08
2014 8783 481:30
2015 1436 400:00
2016 1930 467:00
2017 4205 490:30
2018 9622 442:30
2019 11678 431:54
2020 0 102:00
 
Partners