Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1986 0 0:00
2000 0 1031:40
2001 21 1273:17
2002 15 1125:31
2003 29 1253:15
2004 173 1065:05
2005 21 1106:54
2006 3 964:46
2007 3 1081:59
2008 23 1099:59
2009 11 1282:49
2010 18 1288:05
2011 1 1234:15
2012 9 1364:55
2013 8 1352:29
2014 5 1299:50
2015 3 1223:30
2016 10 1409:54
2017 4 524:40
2018 8 1539:51
2019 13 1131:19
2020 0 996:10
 
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