Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2012 61 51:40
2013 157 210:30
2014 219 192:44
2015 145 147:58
2016 101 127:06
2017 319 175:14
2018 38 106:51
2019 90 98:35
2020 284 107:17
 
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