Answer:
It's black and every time it speaks it says its name.
A mysterious, fantastic creature, It has one defining feature, And for humans at their worst, In their eyes it's just a horse
The signature stroll of ducks and penguins.
The ninja turtles call this place home, as do mythical alligators.
In the fields a frightful thing. Watch it and you will find, it has a pitchfork in the front, and a broom back behind.
Lighter than what I am made of, more of me is hidden than is seen. What am I?