animal science

That burst of backward scratching is probably not an attempt to bury the evidence. Research suggests dogs use ground scratching as part of a scent-marking system that can leave both chemical and visible signals for other dogs. A dog finishes pooping, takes a step forward, then suddenly starts scraping the ground with its back feet and launching grass or dirt into the air. It may look like an enth.. ดูเพิ่ม

Dogs certainly yawn when they are sleepy, but researchers also observe yawning during stressful, emotionally arousing and social situations. The surrounding context often matters more than the yawn itself. A dog stretching out on the couch and letting out a huge yawn probably looks ready for a nap. But dogs also yawn while standing in a veterinary clinic, during training, around unfamiliar situat.. ดูเพิ่ม

The familiar full-body shake is not only for drying fur. Touch, minor irritation, excitement, and challenging experiences can all help trigger the same rapid movement. A dog does not need to be wet to perform the dramatic nose-to-tail shake commonly associated with bath time. The movement is a multipurpose response: it can clear something from the coat, react to sensations around the hair follicl.. ดูเพิ่ม

A patch of sunlight offers more than a cozy place to nap. It helps cats stay warm with less effort—but contrary to a popular belief, vitamin D is not the main attraction. A sunbeam lands on the floor, and somehow the cat finds it before anyone else. The attraction is wonderfully simple: sunlight provides warmth without much effort, creating an ideal place for an animal that spends much of t.. ดูเพิ่ม