Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1986 0 0:00
2000 55 1031:40
2001 43 1273:17
2002 35 1125:31
2003 33 1253:15
2004 49 1065:05
2005 40 1106:54
2006 24 964:46
2007 32 1081:59
2008 48 1099:59
2009 59 1282:49
2010 50 1288:05
2011 78 1234:15
2012 51 1364:55
2013 62 1352:29
2014 92 1299:50
2015 78 1223:30
2016 77 1409:54
2017 23 524:40
2018 81 1539:51
2019 85 1131:19
2020 92 973:10
 
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