They are not strictly terrestrial, and spend much of their time in trees.

This shows once again how hard it is to see the forest when you spend ten years up to your eyeballs in trees.

The slender loris is an arboreal animal, spending most of its life in trees.

It also spends time high up in trees, especially during the day when it is less active.

They spend most of their lives in trees.

They are arboreal, spending much of their time in trees.

Half of their life is spent in trees and they are one of the largest arboreal mammals.

These lizards spend most of their life in trees (they are primarily arboreal).

They are arboreal, spending most of their lives in trees.

They have prehensile tails, and they spend most of their lives in trees.