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How do orangutans protect themselves from rain in the forest?

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An illustration of a female Bornean orangutan (Pongo pygmaeus) with long reddish-brown fur, hanging from tree branches with one arm extended upward and one leg hooked over a branch. A scale bar at the bottom shows lengths of 30 centimeters and 12 inches for size reference. — orangutan Female orangutans (*Pongo*) have the longest breeding interval of any mammal, giving birth on average once every eight years.

Orangutans protect themselves from rain by frequently using vegetation as a form of shelter. In addition to constructing sleeping platforms in the trees every night by bending and breaking branches, leaves, and twigs, they utilize these materials to shield themselves from precipitation.1