Gannets have no nostrils, because they dive into the sea from a great height, and this design protects their brains from damage from the pressure of the water[http://elibrary.unm.edu/sora/Auk/v054n03/p0379-p0381.pdf]. | Gannets have no nostrils, because they dive into the sea from a great height, and this design protects their brains from damage from the pressure of the water[http://elibrary.unm.edu/sora/Auk/v054n03/p0379-p0381.pdf]. |