Study unveils mystery of monkey yodeling — and why humans can’t compete

Mongabay
May 16, 2025, 10:11 am574 ptsHotTop
Deep in the rainforest, the monkeys are yodeling. Their wild calls echo across the foliage, sending signals of sex and survival. For decades, scientists have studied why they make these sounds, but are just beginning to understand how. A new study asks how monkeys make calls with abrupt frequency jumps, which…

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