Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1986 0 0:00
2000 172 1031:40
2001 324 1273:17
2002 143 1125:31
2003 109 1253:15
2004 154 1065:05
2005 634 1106:54
2006 49 964:46
2007 217 1081:59
2008 83 1099:59
2009 145 1282:49
2010 6 1288:05
2011 65 1234:15
2012 15 1364:55
2013 15 1352:29
2014 9 1299:50
2015 19 1223:30
2016 111 1409:54
2017 54 524:40
2018 38 1539:51
2019 101 1131:19
2020 44 973:10
 
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