Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2012 9005 51:40
2013 4123 210:30
2014 1162 192:44
2015 1015 147:58
2016 2417 127:06
2017 1025 175:14
2018 775 106:51
2019 663 98:35
2020 1395 118:05
2021 1249 10:57
 
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