Black and Tan English Shepherds
Old-fashioned Black and Tan English Shepherd Association
This field of study focuses on the evolution of canids, which includes wild species such as wolves, foxes, and coyotes, as well as domesticated dogs. Canid evolutionary biology examines the genetic and evolutionary relationships between different canid species, and seeks to understand the origins and mechanisms of their evolution over time. This field of study incorporates principles from genetics, paleontology, ecology, and other areas of evolutionary biology to develop a comprehensive understanding of the evolution of canids. Canid evolutionary biology is important because it can provide insights into the origins of domesticated dogs and the ways in which they have evolved alongside humans over thousands of years.
Dogs have a long history of coexisting with humans, dating back to their domestication from wolves around 20,000 to 40,000 years ago. Over time, their perceptual systems have evolved to adapt to the anthropogenic world they inhabit, enabling them to better communicate, cooperate, and bond with humans. Some of the key adaptations in dogs’ perceptual … Read more
Dmitry Belyaev, a Russian geneticist, conducted a long-term experiment on the domestication of silver foxes (Vulpes vulpes) that demonstrated how selecting for tameness could result in a number of correlated changes, including coat color changes. Starting in the late 1950s, Belyaev and his team selectively bred silver foxes, choosing only the tamest individuals to … Read more