title: Air-permeable hole-pattern and nose-droop control improve aerodynamic performance of primary feathers.
authors.affiliation: Max Planck Institute for Ornithology, Vogelwarte Radolfzell, Radolfzell, Germany.
authors.forename: Heinrich
authors.initials: H
authors.lastname: Eder
authors.forename: Wolfgang
authors.initials: W
authors.lastname: Fiedler
authors.forename: Xaver
authors.initials: X
authors.lastname: Pascoe