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