We may also over-emphasise visual analysis, even though other senses have a more primary
role in the lives of many mammals, fish and invertebrates. For example, the world of many mammals is
much more olfactory than visual, and that of some fish
is centred around lateral-line organs that measure
localised pressure changes or electro-receptors monitoring changes in patterns in the surrounding electrical
field. If we are evaluating extent of awareness in
animals or attempting to ensure that their welfare is
good, we should take account of the world as they
perceive it.