The Story of How Wolves Became Dogs is Stranger Than We Thought

jelizondo writes:

As a dog person, I found the following report from SciTechDaily very interesting:

Dogs have long been known as "man's best friend," and archaeology suggests that bond reaches deep into prehistory. Dogs have been discovered buried beside humans in graves dating back 14,000 years. They also appear in ancient artwork from every continent and feature prominently in the mythology, religion, and folklore of cultures around the world.

Archaeological evidence shows that dogs have served people in many ways throughout recorded history. They helped humans hunt, guarded homes, carried loads, herded livestock, and provided companionship.

But how did such extraordinary diversity emerge over roughly 15,000 years of co-evolution?

In his new book, "First Dogs: Hunter-Gatherers and their Canine Companions from Prehistory to the Present," archaeologist Professor Peter Mitchell argues that dog domestication was far more complex than a simple story of humans taming wolves.

Instead, people and wolves may initially have participated in the process as relatively equal partners. Hunter-gatherer communities were central to that relationship long before humans began closely managing other animals or plants.

From Arctic tundra to tropical rainforest, dogs changed dramatically as they spread with people into different environments.

That parallel evolution produced strikingly different animals. In the far north, compact dogs with thick coats became well suited to cold conditions and sled pulling. Near the equator, leaner dogs developed traits better suited to heat and hunting.

On the Tibetan Plateau, dogs and their human companions even evolved similar genetic adaptations for life in oxygen-poor air. Researchers have identified genes in Tibetan dogs that help them survive at high elevations where lowland breeds would struggle. These adaptations resemble those found in human populations living in the same region.

The partnership between dogs and humans became especially specialized in the Arctic, where Indigenous peoples developed highly sophisticated dog sledding cultures.

Archaeological evidence shows that Arctic dogs developed distinctive skeletal features linked to pulling heavy loads. Their remains reveal particular patterns of stress in the vertebrae as well as strong limb bones capable of handling the physical demands of hauling across frozen terrain.

These dogs were much more than a means of transportation. They became a central part of survival strategies that helped humans live in some of the harshest environments on Earth.

Read more of this story at SoylentNews.