Answer:
A mysterious, fantastic creature, It has one defining feature, And for humans at their worst, In their eyes it's just a horse
I climb trees but Iām not a cat I hibernate but Iām not a bear I eat nuts but Iām not a bird Iām a type of rodent but Iām not a rat I have a bushy tail but Iām not a fox
This small creature kills even the largest one.
What can honk without a horn?
What is common to eat before it's born and after it's dead?
What never gets any wetter no matter how hard it rains?