Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1986 0 0:00
2000 355 1031:40
2001 347 1273:17
2002 349 1125:31
2003 499 1253:15
2004 358 1065:05
2005 473 1106:54
2006 289 964:46
2007 468 1081:59
2008 415 1099:59
2009 331 1282:49
2010 451 1288:05
2011 314 1234:15
2012 371 1364:55
2013 515 1352:29
2014 508 1299:50
2015 374 1223:30
2016 540 1409:54
2017 313 524:40
2018 644 1539:51
2019 427 1131:19
2020 375 996:10
 
Partners