Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1997 36 39:30
1999 0 10:00
2001 165 594:30
2002 0 0:00
2005 0 77:15
2006 0 32:05
2007 11 88:45
2008 17 100:00
2009 0 52:20
2010 2 48:05
2011 1 88:24
2012 0 36:20
2013 14 37:30
2014 3 30:40
2015 4 44:40
2016 49 171:15
2017 32 179:29
2018 27 380:50
2019 38 344:15
2020 37 213:31
 
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