Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1997 0 39:30
1999 0 10:00
2001 11 594:30
2002 0 0:00
2005 0 77:15
2006 8 32:05
2007 12 88:45
2008 17 100:00
2009 23 52:20
2010 9 48:05
2011 26 88:24
2012 0 36:20
2013 50 37:30
2014 0 30:40
2015 13 44:40
2016 76 171:15
2017 4 179:29
2018 59 380:50
2019 228 344:15
 
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