sentence: Gibbons are known to be the best tree travelers in the animal kingdom.
sentences_after: They almost seem to be flying as they swing themselves hand over hand through the trees. Like great apes, gibbons can also walk upright on the ground. When they walk on the ground, gibbons hold their long arms in the air to keep them from dragging. Pous, Dinora 'Blue Planet Level 5'.
concept_name: gibbon
headings: Gibbon Extraordinary abilities
categories: Apes