Graph

Country
Migration site
Species
Period    
Sex
 Age
 Plumage
Present
Favourites

Year Totals Observation hours
1997 2238 39:30
1999 433 19:00
2001 15214 594:30
2002 0 0:00
2005 699 77:15
2006 481 32:05
2007 1332 88:45
2008 2841 100:00
2009 802 52:20
2010 1188 48:05
2011 616 88:24
2012 1486 36:20
2013 608 37:30
2014 1339 30:40
2015 668 44:40
2016 2863 163:00
2017 6930 179:29
2018 9992 380:50
2019 14889 344:15
2020 10696 447:51
 
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