Graph

Country
Migration site
Species
Period    
Sex
 Age
 Plumage
Present
Favourites

Year Totals Observation hours
1997 214 39:30
1999 0 19:00
2001 4516 594:30
2002 0 0:00
2005 101 77:15
2006 42 32:05
2007 24 88:45
2008 512 100:00
2009 78 52:20
2010 93 48:05
2011 73 88:24
2012 0 36:20
2013 24 37:30
2014 8 30:40
2015 0 44:40
2016 167 163:00
2017 882 179:29
2018 554 380:50
2019 128 344:15
2020 1656 447:51
 
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