(Downloading may take up to 30 seconds. If the slide opens in your browser, select File -> Save As to save it.)
Click on image to view larger version.
Fig. 6. Propulsion efficiency of cetaceans as a function of Strouhal number
(St). Colors indicate particular species: Tursiops truncatus
(red), Pseudorca crassidens (green), Orcinus orca (blue) and
Delphinapterus leucas (black).