Monkeys do not have four legs. They have two legs and two arms, just like humans. I have come across monkeys in various situations, such as when visiting zoos or watching nature documentaries. Observing them closely, it is clear that they use their arms to climb trees and their legs to walk or run on the ground.
When monkeys move on all fours, they use both their arms and legs, much like how humans crawl as infants. However, this is not their typical mode of locomotion. Monkeys are primarily arboreal creatures, meaning they spend most of their time in trees. Their arms are longer and more flexible than their legs, allowing them to swing from branch to branch with ease. This form of movement is known as brachiation.
While monkeys possess the physical ability to walk on all fours, it is not their preferred method of getting around. They are highly skilled climbers and spend the majority of their lives in trees. Their arms, with their grasping hands and opposable thumbs, are adapted for climbing and grasping branches, while their legs are suited for walking, running, and jumping on the ground.
Monkeys do not have four legs. They have two legs and two arms, which are specialized for different types of movement. Their arms are used for climbing and brachiation, while their legs are used for walking and running. This anatomical adaptation allows monkeys to navigate both their arboreal and terrestrial habitats effectively.