They’re the sopranos of the forest, so what’s silencing the gibbons’ morning chorus?

A dark lar, or white-handed, gibbon – the arboreal animals are known for their complex songs and vocal techniques. A dark lar, or white-handed, gibbon – the arboreal animals are known for their complex songs and vocal techniques. The age of extinction Primatology They’re the sopranos of the forest, so what’s silencing the gibbons’ morning chorus? As human development and roads increasingly fragment their habitats, a study suggests traffic noise could be altering the animals’ wake-up call