Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1997 1 39:30
1999 0 10:00
2001 13805 594:30
2002 0 0:00
2005 1657 77:15
2006 282 32:05
2007 2328 88:45
2008 3138 100:00
2009 583 52:20
2010 223 48:05
2011 3085 88:24
2012 48 36:20
2013 6106 37:30
2014 715 30:40
2015 3398 44:40
2016 6268 171:15
2017 3860 179:29
2018 10426 380:50
2019 17297 344:15
 
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