Answer:
I am a animal i have sharp teeth i am the of the forest
Oh how I love my dancing feet! They stay together - oh so neat. And when I want to walk a line, They all stay together and do double time. I count them up, ten times or more, And race on-off, across the floor.
A colourful bird that talks
To you, rude would I never be, Though I flag my tongue for all to see.
Microparasite expert at sucking the blood of mammals and birds
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.