Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1986 0 0:00
2000 32 1031:40
2001 55 1273:17
2002 85 1125:31
2003 127 1253:15
2004 108 1065:05
2005 95 1106:54
2006 111 964:46
2007 109 1081:59
2008 95 1099:59
2009 182 1282:49
2010 86 1288:05
2011 80 1234:15
2012 105 1364:55
2013 103 1352:29
2014 115 1299:50
2015 93 1223:30
2016 68 1409:54
2017 8 524:40
2018 90 1539:51
2019 46 1131:19
2020 66 987:40
 
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