Several penguins species
Nagoya Public Aquarium, Japan
Tokyo Sea-life Park, Japan
1999-2001

* Beak opening at immersion (Ropert-Coudert et al. 2002).
* Monitoring of jaw movements (Wilson et al. 2002).

A Kato, M Kuroki (NIPR, Japan), M Kurita (Nagoya Public Aquarium, Japan), RP Wilson (Swansea Univ, UK)