Answer:
What bird can lift the heaviest weight?
Grows from the ground, bushes and grass, leaves of yellow, red and brow, unruly plants, get the axe, trim the hedge back down.
A home of wood in a wooded place, but built not by hand. High above the earthen ground, it holds its pale blue gems. What is it?
What has roots as nobody sees, is taller than trees. Up, up it goes, and yet never grows?
What contains zero calories, but if you consume it, you will probably gain weight?
When is it bad luck to see a black cat?