Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1997 14 39:30
1999 33 10:00
2001 643 594:30
2002 0 0:00
2005 59 77:15
2006 53 32:05
2007 194 88:45
2008 103 100:00
2009 54 52:20
2010 46 48:05
2011 133 88:24
2012 38 36:20
2013 104 37:30
2014 64 30:40
2015 65 44:40
2016 289 171:15
2017 256 179:29
2018 870 380:50
2019 694 344:15
 
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