Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1997 148 39:30
1999 3 19:00
2001 517 594:30
2002 0 0:00
2005 188 77:15
2006 0 32:05
2007 127 88:45
2008 502 100:00
2009 2 52:20
2010 19 48:05
2011 0 88:24
2012 3 36:20
2013 127 37:30
2014 47 30:40
2015 104 44:40
2016 2 171:15
2017 907 179:29
2018 4 380:50
2019 116 344:15
2020 8 364:01
 
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