In main$()...$

$1.)$ Declare a Bird object named: bird

$-$ Pass these values to the constructor: The feathers are gray and weight is $8\mathrm{.}5.$

$2.)$ Declare a Mammal object named: cow

$-$ Pass these values to the constructor: Hair color is black and white and weight is $8\mathrm{.}5$

$3.)$ Each object should call its showAnimal function.