Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1986 0 0:00
2000 67 1031:40
2001 68 1273:17
2002 78 1125:31
2003 43 1253:15
2004 16 1065:05
2005 3 1106:54
2006 1 964:46
2007 300 1081:59
2008 102 1099:59
2009 5 1282:49
2010 6 1288:05
2011 76 1234:15
2012 139 1364:55
2013 39 1352:29
2014 102 1299:50
2015 38 1223:30
2016 207 1409:54
2017 1 524:40
2018 56 1539:51
2019 178 1131:19
2020 41 987:40
 
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