Movie 1

Typical trial viewed from the top camera. A harbour seal stations in the hoop station on the left and is equipped with an eye mask. On a start signal it starts to search for the active nozzle and stations there for 5 s. The seal is then called back to the trainer to receive a food reward.

Hydrodynamic detection and localization of artificial flatfish breathing currents by harbour seals (Phoca vitulina)

Benedikt Niesterok, Yvonne Krüger, Sven Wieskotten, Guido Dehnhardt, and Wolf Hanke

Journal of Experimental Biology 2017. 220:174-185; doi: 10.1242/jeb.148676