How did bone-sucking become a human pet?

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The most loyal animal of man is the wolf. You may find this absurd, but it is partially true. In fact, the dogs around you were once wolves. About 20 thousand years ago, they were considered the biggest enemy of humans. Then what happened to being our greatest friend and loyalist?

On ‘International Dog Day’, you will learn the complete story of the evolution of dogs and the interesting things associated with them…

It is about 30 thousand to 10 thousand years old. Ice age means the last phase of ice covered earth was going on. The human population began to grow slowly. At the same time, trees and plants and all animals began to come to the surface. Scientists have named this period Pleistocene.

Ancient wolves also flourished during the Pleistocene. These wolves looked for meat to eat, but the earth was still cold, so it was difficult to find small animals to hunt.

Scientists claim that some of these wolves, which were less afraid, began to move closer to human settlements. The remaining bones and meat after the use of humans there will be easily found by these wolves. It was from here that they had their initial contact with humans.

Wolves with low stress hormones migrated to humans first

According to the research paper ‘The Social Dog and Evolution’ by Sarah Marshall, Peccini and Julian Kaminsky, when humans became Homo sapiens, they began to live in one place. They roamed in herds and ate and drank at one place.

Wolves, on the other hand, were very smart. Their ability to hear and smell was much better than other animals. Sometimes it happened that humans and wolves would compete for prey. During this time humans and wolves became each other’s known enemies.

According to research, wolves have more stress hormones in their bodies. This stress hormone is what makes them irritable and prevents them from moving into human settlements. But some wolves had naturally low levels of this stress hormone.

Due to low stress hormones, such wolves began to try to get closer to humans. Humans also started adding leftover bones to their food. This is where the friendship between the humans and the quiet wolves began.

Over the next few years, humans conducted several experiments with these wolves. This involved trying to change their behavior from breeding. This was the period from which the transformation of wolves into dogs began. Stress hormones began to pour into their DNA.

After that, the DNA of those wolves entered the evolutionary phase. Due to this, the sharpness of his teeth started to decrease. Differences between the jaw and other bones began to appear. Living with humans, their nature became friendly to humans. In Asia, the dog species originated from the ‘grey wolf’, while in Africa, dogs were created from the ‘jackal’ species.

There is still a dispute about where the first dog was found

Where did humans first domesticate wolves? There is no single opinion on this. A Nature Communications research paper claims that dogs or non-aggressive wolves were domesticated from southern China to Mongolia and several countries in Europe at the same time.

Wolves were domesticated in China about 16 thousand years ago and in India about 12 to 14 thousand years ago. Along with this, their upbringing started in America about 10 thousand years ago.

Where did dog species come from apart from wolves?

Scientists found that dogs have a lot of disparity in their DNA, which is why dogs come from different breeds. In addition, humans have ‘cross-breeded’ i.e. mixing two different breeds of dogs to create new and distinct breeds of dogs.

The whole process was painful for the dogs. This caused many changes in his body structure. Along with difficulty breathing, many breeds of dogs began to have trouble breeding further. In today’s date, there are 11 types of dogs that look like wolves. Among which the most famous are ‘Alaskan Malamute’ and ‘Siberian Husky’.

The unbreakable bond between humans and dogs dates back thousands of years

Historian and author Yuval Noah Harari writes in his book ‘Sapiens: A Brief History of Human Kind’ that humans first domesticated dogs 15,000 years ago. There are many proofs of this. Dogs made from these wolves were used by humans for hunting and fighting.

They also help humans fight off intruders. As generations of humans and dogs passed, the bond between the two grew stronger. They started talking to each other.

Dogs had to have protection from other animals and easy access to food. Dogs began to consider their lives safe with humans. Over the millennia an understanding developed between the two. In many civilizations there is evidence of proper burial of humans as well as dogs.

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