Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2009 245 32:45
2010 7023 370:25
2011 47263 504:57
2012 18175 524:55
2013 42854 236:55
2014 97517 499:40
2015 7352 528:21
2016 43624 355:25
2017 20985 350:00
2018 51637 365:40
2019 60151 287:15
 
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