External view of the anatomy of hearing in Balaena...
Internal section of the auditory structures in Bal...
New condenser and air pump
![External view of the anatomy of hearing in Balaena mysticetus [Bowhead whale]](https://dlc.services/thumbs/rs/2/PT_73_3_1/full/264,/0/default.jpg)
![Internal section of the auditory structures in Balaena mysticetus [Bowhead whale]](https://dlc.services/thumbs/rs/2/PT_73_3_2/full/275,/0/default.jpg)
