On the Indonesian island of Sulawesi, black crested macaques thrive in large troops. They are amongst the most 'loving' of monkeys, showing affection not just amongst close family, but across the whole group. A key reason is the abundance of fruit brought by the monsoon climate, providing enough for everyone.
On the beach, maleo birds, another species found only on Sulawesi, take advantage of the equatorial sun-heated sand to incubate their eggs before the storms come. There is fierce competition for the best spots. But some maleo birds bury their eggs in the forest, exploiting the underfloor heating provided by volcanic activity.
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