The Animal is a creature that is 'poor in world' insofar as it is unable to partake in a life defined by mortality, the ability to die. Stones, incidentally, are altogether worldless.
The Animal is guided by healthy instinct rather than by rationality which is necessarily repressed or distorted through domestication or guilt before God.
The Animal is a creature of which man is a tamed example and has often been wrongly differentiated.
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The Animal is distinguished from man by the human capacity for symbolic thought, a capacity whereby man's first symbols were animals. As such what distinguished man from animals was born of man's relationship with animals.
The Animal is an entity which does not suffer alienation, but therefore, also possesses no consciousness enabling it to rise above itself in order to come back toward itself. It has no distance with respect to itself.
The Animal is advantaged over man in that it never hears the clock strike and dies without any idea of death.
The Animal is 'poor in world': It has a world in the mode of being deprived of one. This stands in contrast to human dasein which has a world and a stone which has none.