Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1997 0 39:30
1999 0 10:00
2001 2 594:30
2002 0 0:00
2005 8 77:15
2006 0 32:05
2007 16 88:45
2008 0 100:00
2009 1 52:20
2010 9 48:05
2011 0 88:24
2012 1 36:20
2013 12 37:30
2014 0 30:40
2015 0 44:40
2016 0 171:15
2017 7 179:29
2018 127 380:50
2019 145 344:15
2020 522 213:31
 
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