This order is almost exclusively parasitic in warm-blooded animals.
Just like their warm-blooded counterparts, they can have fun in hamster wheels, tunnels and balls, thanks to a full line of accessories for the toys.
Mostly parasitic in homoiothermic (warm-blooded) vertebrates.
The higher "warm-blooded" creatures appear to present the simplest case and in their lifehistory there seems to be a point at which we can say "that which was alive is now dead."
They feed off warm-blooded animals like humans and can be found in a variety of climates all over the world.