title: Asymmetric toes aid underwater swimming.
authors.affiliation: Department of Zoology, Zoomorphology, Göteborg University, Sweden.
authors.forename: L C
authors.initials: LC
authors.lastname: Johansson
authors.forename: U M
authors.initials: UM
authors.lastname: Norberg
mesh_terms: D000818:Animals; D001717:Birds / Q000033:anatomy & histology / Q000502:physiology*; D013550:Swimming; D014034:Toes / Q000033:anatomy & histology