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Figure 9.  A white-nosed coatimundi (Nasua nasua) on Barro Colorado Island, Panama, walking across a horizontal liana stem.  By connecting trees to other trees, lianas and other vines create convenient pathways for animals to move through the trees without having to descend to the ground.  In this way, vines can be considered important ecosystem engineers of forests.  Photograph by Francis E. Putz.

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