Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1986 0 0:00
2000 43 1031:40
2001 107 1273:17
2002 77 1125:31
2003 36 1253:15
2004 43 1065:05
2005 35 1106:54
2006 17 964:46
2007 11 1081:59
2008 16 1099:59
2009 13 1282:49
2010 9 1288:05
2011 4 1234:15
2012 32 1364:55
2013 21 1352:29
2014 12 1299:50
2015 30 1223:30
2016 24 1409:54
2017 44 524:40
2018 6 1539:51
2019 16 1131:19
2020 33 996:10
 
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