Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1986 0 0:00
2000 188 1031:40
2001 304 1273:17
2002 595 1125:31
2003 600 1253:15
2004 740 1065:05
2005 363 1106:54
2006 360 964:46
2007 572 1081:59
2008 548 1099:59
2009 777 1282:49
2010 639 1288:05
2011 613 1234:15
2012 477 1364:55
2013 671 1352:29
2014 760 1299:50
2015 713 1223:30
2016 796 1409:54
2017 283 524:40
2018 354 1539:51
2019 660 1131:19
2020 587 1159:05
 
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