Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 0 32:45
2010 67 370:25
2011 97 504:57
2012 254 524:55
2013 385 236:55
2014 587 499:40
2015 444 528:21
2016 524 355:25
2017 484 350:00
2018 450 365:40
2019 692 287:15
2020 22 63:30
 
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