title: Tuning of Strouhal number for high propulsive efficiency accurately predicts how wingbeat frequency and stroke amplitude relate and scale with size and flight speed in birds.
authors.affiliation: Department of Zoology, Tinbergen Building, South Parks Road, University of Oxford, Oxford OX1 3PS, UK. r.l.nudds@leeds.ac.uk
authors.forename: Robert L
authors.initials: RL
authors.lastname: Nudds
authors.forename: Graham K
authors.initials: GK
authors.lastname: Taylor
authors.forename: Adrian L R
authors.initials: AL
authors.lastname: Thomas
mesh_terms: D000818:Animals; D001696:Biomechanical Phenomena; D001717:Birds / Q000502:physiology*; D005426:Flight, Animal / Q000502:physiology*; D008954:Models, Biological; D014921:Wings, Animal / Q000502:physiology*