Why do dogs have floppy ears unlike there ancestors?

It's a fascinating question! While it's true that many modern dog breeds have floppy ears, their ancestors, wolves, have erect, pointed ears. The reason for this change lies in the selective breeding practices of humans.

Here's why dogs have floppy ears:

* Artificial Selection: Humans have selectively bred dogs for various traits, including appearance. Floppy ears were often considered "cute" or "gentle" and became a desirable feature in some breeds. By breeding dogs with floppy ears, these traits were amplified over generations.

* Breed Standards: Many dog breed standards specifically require floppy ears. These standards are set by breed clubs and influence the breeding practices for specific dog breeds.

* Functional Advantages (In Some Cases): In some breeds, floppy ears may have provided functional advantages. For example, in breeds like spaniels, floppy ears may help them to flush out game while hunting.

* Genetic Changes: Over time, selective breeding for floppy ears led to genetic changes in the cartilage and muscles responsible for ear structure, resulting in the drooping ears we see today.

It's important to note that not all dog breeds have floppy ears. Many breeds, like huskies and German Shepherds, still retain their wolf ancestors' erect ears.

In summary, the evolution of floppy ears in dogs is primarily a result of human intervention through selective breeding for desired traits.