The Anatomy of a Dog’s Eye The retina, the light-sensitive layer in the back of the eye, contains photoreceptors called rods and cones. During low-light situations, cones provide color vision and clear eyesight, while rods, the more prevalent photoreceptor in a dog’s eye, detect …
Many people in the United States and around the world love dogs. There are thousands of dog breeds recognized by the American Kennel Club, including mini-breeds that do not grow very big, such as Pekingese and Chihuahuas. This article will look at some of these …
The domestication of the dog dates back to approximately 30,000 years ago. Over millennia, the dog has been selectively bred for various behaviors, sensory abilities, and physical attributes. This selective breeding has led to many different breeds with varying temperaments, sizes, and colors. They have been …