Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 14 32:45
2010 158 370:25
2011 521 504:57
2012 209 524:55
2013 91 236:55
2014 60 499:40
2015 519 528:21
2016 346 355:25
2017 110 350:00
2018 561 365:40
2019 141 287:15
2020 20 30:30
 
Partners