Changes

*Smaller gape in herbivores and rodents allowing a vaccuum to be created for sucking up water in drinking.

*Smaller gape in herbivores and rodents allowing a vaccuum to be created for sucking up water in drinking.

*Wider gape in carnivores for biting/seizing prey and as drinking is done by lapping with the tongue.

*Wider gape in carnivores for biting/seizing prey and as drinking is done by lapping with the [[Oral Cavity - Tongue - Anatomy & Physiology|tongue]].

===Equine===

===Equine===