Graph

Country
Migration site
Species
Period
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 14 23:40
2007 24 71:05
2008 59 94:25
2009 29 91:45
2010 25 159:55
2011 45 208:42
2012 24 196:45
2013 20 239:26
2014 61 218:15
2015 25 145:35
2016 20 217:52
2017 24 191:09
2018 41 243:43
2019 12 140:00
 
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