Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1986 0 0:00
2000 453 1031:40
2001 481 1273:17
2002 227 1125:31
2003 489 1253:15
2004 182 1065:05
2005 190 1106:54
2006 132 964:46
2007 149 1081:59
2008 122 1099:59
2009 168 1282:49
2010 112 1288:05
2011 116 1234:15
2012 80 1364:55
2013 99 1352:29
2014 175 1299:50
2015 37 1223:30
2016 84 1409:54
2017 76 524:40
2018 149 1539:51
2019 68 1131:19
2020 53 973:10
 
Partners