Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1997 0 39:30
1999 1 10:00
2001 74 594:30
2002 0 0:00
2005 105 77:15
2006 30 32:05
2007 15 88:45
2008 32 100:00
2009 6 52:20
2010 12 48:05
2011 8 88:24
2012 0 36:20
2013 3 37:30
2014 1 30:40
2015 7 44:40
2016 2 171:15
2017 15 179:29
2018 49 380:50
2019 332 344:15
 
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