This creepy crawly cohort moves toward its prey in stop motion: The spiders pause, then rush forward in unison, then pause again.
form colonies by the thousands. These tiny red spiders are smaller than the eraser on a pencil, but they work together to build nonstick webs that can span meters. When a moth, grasshopper, or other insect falls into the web, a mob of spiders must descend on it quickly before it can escape.
The staccato approach allows the spiders to sense their prey’s vibrations and synchronize the hunting party’s arrivalTo understand how these spiders match their movements, scientists observed the hunting behavior of two wild colonies in French Guiana. The researchers placed a miniature motor in the nests and adjusted its vibration pattern and intensity to simulate the movements of a prey insect.
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