Other criteria exclude those snakes. The author said: > But there is a danger in pushing the borders of affiliation so far out that they no longer have any res

Other criteria exclude those snakes. The author said: > But there is a danger in pushing the borders of affiliation so far out that they no longer have any resonance. Placing an emphasis on our mammalian identity is a reasonable compromise between a restrictive anthropocentrism and a vapid all-inclusiveness. > Mammalian awareness embraces our affinity with our hairy and milky fellow mammals, Snakes neither have hair nor provide milk to their young.