Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1997 3 39:30
1999 12 10:00
2001 1624 594:30
2002 0 0:00
2005 12 77:15
2006 7 32:05
2007 0 88:45
2008 6 100:00
2009 0 52:20
2010 0 48:05
2011 58 88:24
2012 8 36:20
2013 17 37:30
2014 7 30:40
2015 76 44:40
2016 28 171:15
2017 24 179:29
2018 23 380:50
2019 63 344:15
2020 47 198:46
 
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