Answer:
Microparasite expert at sucking the blood of mammals and birds
A house has 4 walls. All of the walls are facing south, and a bear is circling the house. What color is the bear?
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.
They are producers of pies and burgers and are great for tipping.
In the fields a frightful thing. Watch it and you will find, it has a pitchfork in the front, and a broom back behind.
What is it that makes tears without sorrow. And takes its journey to heaven?