Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1986 0 0:00
2000 3 1031:40
2001 8 1273:17
2002 0 1125:31
2003 0 1253:15
2004 3 1065:05
2005 2 1106:54
2006 1 964:46
2007 3 1081:59
2008 1 1099:59
2009 2 1282:49
2010 2 1288:05
2011 2 1234:15
2012 6 1364:55
2013 1 1352:29
2014 2 1299:50
2015 0 1223:30
2016 1 1409:54
2017 0 524:40
2018 0 1539:51
2019 0 1131:19
2020 0 973:10
 
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