Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1986 0 0:00
2000 13 1031:40
2001 24 1273:17
2002 62 1125:31
2003 114 1253:15
2004 69 1065:05
2005 20 1106:54
2006 33 964:46
2007 55 1081:59
2008 52 1099:59
2009 13 1282:49
2010 9 1288:05
2011 6 1234:15
2012 3 1364:55
2013 28 1352:29
2014 6 1299:50
2015 15 1223:30
2016 3 1409:54
2017 35 524:40
2018 9 1539:51
2019 18 1131:19
2020 12 987:40
 
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