In context|figuratively|lang=en terms the difference between animal and mother
is that
animal is (figuratively) a person who behaves wildly; a bestial, brutal, brutish, cruel, or inhuman person while
mother is (figuratively) any person or entity which performs mothering.
As nouns the difference between animal and mother
is that
animal is in scientific usage, a multicellular organism that is usually mobile, whose cells are not encased in a rigid cell wall (distinguishing it from plants and fungi) and which derives energy solely from the consumption of other organisms (distinguishing it from plants) while
mother is a (human) female who (a) s a child (b) gives birth to a baby (c) donates a fertilized egg or (d) donates a body cell which has resulted in a clone sometimes used in reference to a pregnant female, possibly as a shortened form of mother-to-be (c) or
mother can be something that is the greatest or most significant of its kind or
mother can be (euphemistic|coarse|slang) motherfucker or
mother can be (nonstandard) a cat that catches moths.
As a adjective animal
is of or relating to animals.
As a verb mother is
to treat as a mother would be expected to treat her child; to nurture.