Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1986 0 0:00
2000 60 1031:40
2001 82 1273:17
2002 44 1125:31
2003 89 1253:15
2004 86 1065:05
2005 58 1106:54
2006 38 964:46
2007 108 1081:59
2008 163 1099:59
2009 94 1282:49
2010 64 1288:05
2011 140 1234:15
2012 117 1364:55
2013 38 1352:29
2014 54 1299:50
2015 71 1223:30
2016 68 1409:54
2017 39 524:40
2018 26 1539:51
2019 36 1131:19
2020 36 996:10
 
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