Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1997 6 39:30
1999 0 10:00
2001 26 594:30
2002 0 0:00
2005 5 77:15
2006 0 32:05
2007 4 88:45
2008 17 100:00
2009 2 52:20
2010 0 48:05
2011 5 88:24
2012 4 36:20
2013 3 37:30
2014 2 30:40
2015 1 44:40
2016 11 171:15
2017 25 179:29
2018 35 380:50
2019 22 344:15
 
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