Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 74 57:05
2010 552 51:45
2011 459 48:00
2012 38 6:50
2013 71 16:15
2014 108 13:15
2015 130 1:00
2016 123 11:20
2017 0 0:00
2018 152 1:20
2019 140 3:40
 
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