Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
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Year Totals Observation hours
2008 0 360:30
2009 2 450:00
2010 0 500:00
2011 3 590:05
2012 4 846:25
2013 23 669:05
2014 11 653:09
2015 11 628:23
2016 5 664:24
2017 7 653:41
2018 5 697:15
2019 15 1240:41
2020 1 638:33
2021 20 705:25
2022 37 1146:07
 
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