Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1986 0 0:00
2000 11 1031:40
2001 23 1273:17
2002 130 1125:31
2003 27 1253:15
2004 36 1065:05
2005 108 1106:54
2006 49 964:46
2007 67 1081:59
2008 97 1099:59
2009 55 1282:49
2010 5 1288:05
2011 4 1234:15
2012 14 1364:55
2013 8 1352:29
2014 26 1299:50
2015 73 1223:30
2016 50 1409:54
2017 21 524:40
2018 43 1539:51
2019 11 1131:19
2020 75 996:10
 
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