Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1986 0 0:00
2000 6 1031:40
2001 24 1273:17
2002 18 1125:31
2003 9 1253:15
2004 9 1065:05
2005 15 1106:54
2006 5 964:46
2007 3 1081:59
2008 3 1099:59
2009 3 1282:49
2010 2 1288:05
2011 8 1234:15
2012 24 1364:55
2013 5 1352:29
2014 11 1299:50
2015 9 1223:30
2016 18 1409:54
2017 20 524:40
2018 25 1539:51
2019 41 1131:19
2020 72 996:10
 
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