The tops of the trees are filled with birds, insects and plants that need the sunlight that is only found at the top of the forest.
(The tops of the trees; are filled; with birds, insects and plants) (birds, insects and plants; need; the sunlight that is only found at the top of the forest) (the sunlight; is only found; L:at the top of the forest)
The tops of the trees birds, insects and plants the sunlight
are filled need is only found
with birds, insects and plants
the sunlight that is only found at the top of the forest
L:at the top of the forest