Answer:
White bird, featherless, flying out of paradise. Flying over sea and land. Dying in my hand.
Look into my face and I'm everybody. Scratch my back and I'm nobody.
I have rivers without water. Forests without trees. Mountains without rocks. Towns without houses.
What has roots as nobody sees, is taller than trees. Up, up it goes, and yet never grows?
You can hold it without using your hands or your arms. What is it?
Disgusting creatures that would survive a nuclear strike.