Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1997 2 39:30
1999 2 10:00
2001 46 594:30
2002 0 0:00
2005 5 77:15
2006 4 32:05
2007 7 88:45
2008 5 100:00
2009 1 52:20
2010 13 48:05
2011 13 88:24
2012 0 36:20
2013 12 37:30
2014 1 30:40
2015 5 44:40
2016 23 171:15
2017 45 179:29
2018 31 380:50
2019 61 344:15
 
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