Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2012 0 51:40
2013 136 210:30
2014 151 192:44
2015 431 147:58
2016 181 127:06
2017 21 175:14
2018 112 106:51
2019 26 98:35
2020 3 118:05
2021 17 51:51
 
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