Thread: Apodidae
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Old Wednesday 30th August 2017, 15:10   #10
l_raty
laurent raty
 
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Location: Brussels, Belgium
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Apus pallidus & A. apus

Pellegrino, Cucco, Harvey, Liberatore, Pavia, Voelker, Boano. 2017. So similar and yet so different: taxonomic status of Pallid Swift Apus pallidus and Common Swift Apus apus. Bird Study.
[abstract & suppl.]
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