Can Spiders Make You Blind?
WouterSpiders are very sensitive to movement and they can sense it from the airflow. They use this information to detect predators and wandering activities.
Spiders are also highly attuned to color. Their colors can extend to the deep violet end of the spectrum. This gives them a wider range of colors than human eyes can. They can also see the plane of polarization of sky light. This makes them more efficient hunters.
In some species of cave spiders, there are fewer eyes than in other types. Some have two lenses and others have four. They still use their eyes to sense motion and prey.
The jumping spider Saitis barbipes has a furry red crown and legs. They are very beautiful. However, these spiders can also be quite dangerous. They can be seen around Europe and North Africa. The males have elaborate courtship dances. They can be a bit aggressive.
These spiders are also very good at hunting. Their ability to sense prey is important to their success. They also have a great depth of vision, making them very effective hunters.
They also have the ability to track vibrations. Their web music is an alarm that can be triggered by a potential mate.
Their color vision extends from the green hues to the purple and blue shades. This makes them highly sensitive to color and they can detect ultraviolet light.
They have two primary eyes that look like boomerangs. Their secondary eyes are smaller, and they tell their principal eyes where to look. They also have side and front eyes that are used for judging distance to prey. The main eyes can then concentrate on the pounce preparation.
