Weighing about 100 grams, C. simpsoni appeared adapted for an arboreal habitat.

"The infant has to get to work quickly in the three-dimensional space of an arboreal habitat," Mr. Roberts said.

Branches are frequently oriented at an angle to gravity in arboreal habitats, including being vertical, which poses special problems.

Based upon the comparisons of modern birds to Archaeopteryx, perching characteristics were present, signifying an arboreal habitat.

Microraptor was an opportunistic feeder, hunting the most common prey in both arboreal and aquatic habitats.

This coloration helps camouflage it in its arboreal habitat.

The bird was found in an arboreal habitat, particularly closed forests.

They are difficult to care for, requiring a humid arboreal habitat and a diet of lizards as they rarely switch to rodents.

It was the furry sloth, which looked gangly and awkward away from its arboreal habitat.

The movement of snakes in arboreal habitats has only recently been studied.