Assertion: gibbon's habitat | /r/CapableOf | montane forests of 8,000 feet
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text: The gibbons, whose family name, Hylobatidae, is Greek for “dweller in the trees”, range in habitat from sea level tropical forests to montane forests of 8,000 feet, and from southwest China to northeast India, to southeast Asia, as well as Sumatra, Borneo, and Java (Geissmann Gibbon Research Lab: Distribution).