Change in beak overhangs of cliff swallows over 40 years: partly a response to parasites?

HIGHLIGHTS

• who: Gigi S. Wagnon and collaborators from the Department of Biological Sciences, University of Tulsa, Tulsa, Oklahoma, United States of America have published the paper: Change in beak overhangs of cliff swallows over 40 years: Partly a response to parasites?, in the Journal: PLOS ONE of 11/Oct/2021
• what: The authors examine variation in the maxillary overhangs of cliff swallows (Petrochelidon pyrrhonota) and assess whether the observed patterns are consistent with those expected if the overhang functions in parasite removal. The authors examine maxillary overhangs within a population of cliff swallows that the authors . . .
  

   

  

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