Who are the ancestors of dogs and wolves? - briefly
The common ancestor of both dogs and wolves is believed to be an extinct species called the gray wolf (Canis lupus), which diverged into two separate lineages around 15,000 to 40,000 years ago. This ancient canid adapted to different environments and human interactions, leading to the domestication of dogs and the continuation of wolves in the wild.
Who are the ancestors of dogs and wolves? - in detail
The origins of dogs and wolves can be traced back to a common ancestor, which is believed to have diverged from other canids approximately 5-7 million years ago. This ancient lineage, often referred to as the "caniform" group, includes various species such as foxes, jackals, and coyotes. However, the most immediate ancestors of dogs and wolves are thought to be two distinct species: a small, wolf-like canid known as the "proto-dog," and a larger, more robust ancestor that gave rise to the modern gray wolf (Canis lupus).
The proto-dog, which likely existed around 15,000 years ago, is believed to have been domesticated by early human societies. This process of domestication involved selective breeding for desirable traits such as tameness and cooperation, leading to the development of the first dogs. Over time, these early dogs diversified into a wide range of breeds and sizes, adapted to various environments and human needs.
On the other hand, the ancestors of modern wolves are thought to have evolved from a larger, more robust canid species that inhabited Eurasia during the Pleistocene epoch (around 2 million years ago). This ancient wolf-like ancestor is believed to have given rise to several subspecies of gray wolf, which then spread across the globe. The modern gray wolf, as we know it today, is one of the most successful and adaptable predators, capable of thriving in a variety of habitats from tundra and forests to deserts and grasslands.
In conclusion, while dogs and wolves share a common ancestry that can be traced back millions of years, their immediate ancestors were distinct species that evolved separately before being domesticated or giving rise to the modern wolf. The process of domestication and evolution has resulted in the diverse range of dog breeds and the highly adaptable gray wolf we see today.