Yes, spiders are known to be sensitive to vibrations, including those produced by sound waves. They have specialized hairs called trichobothria on their legs that can detect even subtle vibrations in their environment. These hairs are highly sensitive to mechanical stimuli, allowing spiders to perceive vibrations caused by various sources, including sound waves.
While spiders do not have ears like humans or some other animals, they can still sense and respond to sound vibrations. They use this ability to detect potential prey, communicate with other spiders, and navigate their environment. For example, they may be able to detect the vibrations created by the movement of insects or other animals nearby.
It's worth noting that spiders' sensitivity to sound vibrations may vary among different species. Some species may be more adept at detecting and interpreting vibrations than others, depending on their specific adaptations and ecological needs.