Keener et al (2018) Harbor Porpoises video clip from Aquatic Mammals on Vimeo.

Keener, W. K., Webber, M. A., Szczepaniak, I. D., Markowitz, T. M., & Orbach, D. N. (2018). The sex life of harbor porpoises (Phocoena phocoena): Lateralized and aerial behavior. Aquatic Mammals, 44(6), 620-632.