Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1986 0 0:00
2000 4 1031:40
2001 5 1273:17
2002 6 1125:31
2003 10 1253:15
2004 7 1065:05
2005 10 1106:54
2006 2 964:46
2007 2 1081:59
2008 8 1099:59
2009 2 1282:49
2010 4 1288:05
2011 8 1234:15
2012 10 1364:55
2013 17 1352:29
2014 2 1299:50
2015 7 1223:30
2016 9 1409:54
2017 1 524:40
2018 1 1539:51
2019 5 1131:19
2020 4 973:10
 
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