Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2010 23 192:15
2011 73 548:35
2012 53 598:30
2013 271 613:57
2014 544 701:15
2015 332 626:35
2016 125 715:25
2017 304 674:15
2018 329 645:36
2019 309 642:45
2020 22 188:20
2021 94 381:00
2022 0 97:55
 
Partners