No there are still some in the world.
Gibbons (Family Hylobatidae) are classified as Lesser Apes.
The Lesser Apes or Hylobatidae
Apes are primates, related to humans, monkeys and lemurs. The species of ape are the gorilla, gibbon, chimpanzee, and orangutan.
Gibbons live in India, China, and South East Asia. Apes are originally from Africa, though.
Siamang apes
Gorilla, Orangutan, Chimpanzee, Bonbo, Lar Gibbon
Gibbons are apes. They're classified as lesser apes along with siamangs, meaning they belong to a family separate from the great apes (including humans).
They are smaller than most apes, and terribly quick. They must not weigh much.
Hunted
Apes appeared way after the dinosaurs went extinct so NO.
No....The Gibbon is part of the ape family. There are four in the ape family, Gorilla, Chimpanzee, Orangutans and the Gibbon. There classified mainly by there intelligence and the fact that they have no tails!
No, none of the great apes (gorillas, chimps, orangs, and gibbons) are nocturnal.