Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1986 0 0:00
2000 39 1031:40
2001 41 1273:17
2002 21 1125:31
2003 35 1253:15
2004 17 1065:05
2005 18 1106:54
2006 11 964:46
2007 17 1081:59
2008 13 1099:59
2009 14 1282:49
2010 16 1288:05
2011 10 1234:15
2012 11 1364:55
2013 9 1352:29
2014 19 1299:50
2015 8 1223:30
2016 3 1409:54
2017 2 524:40
2018 13 1539:51
2019 7 1131:19
2020 3 996:10
 
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