Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1986 0 0:00
2000 23 1031:40
2001 81 1273:17
2002 27 1125:31
2003 31 1253:15
2004 44 1065:05
2005 100 1106:54
2006 4 964:46
2007 9 1081:59
2008 29 1099:59
2009 66 1282:49
2010 24 1288:05
2011 3 1234:15
2012 25 1364:55
2013 16 1352:29
2014 1 1299:50
2015 13 1223:30
2016 24 1409:54
2017 6 524:40
2018 22 1539:51
2019 5 1131:19
2020 4 987:40
 
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