What strange, arboreal creatures built causeways high among these giant trees?

The primates began as arboreal (tree-living) creatures, and all but some of the larger specimens still are.

It was no arboreal creature, but a beast bred on great plains and barren mountains.

Most of the mammals were herbivores, except for some curious arboreal creatures that looked like lemurs, which were insectivores.

Fully prehensile tails can be used to hold and manipulate objects, and in particular to aid arboreal creatures in finding and eating food in the trees.

She lived among them, learned their ways, was accepted by the arboreal, ape-like creatures as goyu, "one of us."

The African linsang is a largely arboreal creature that inhabits dense forests and jungles.

The random rustle of leaves and branches as arboreal creatures swung through the jungle's canopy overhead.

It is a nocturnal, arboreal creature, spending most of its life in the canopy.

The following day, another soldier is attacked by an arboreal worm-like creature that literally melts her to death.