Spiders spin silk from glands in their abdomen, not from their mouth.

The longer version

Silk production happens inside internal glands holding a liquid protein mixture. Once the fluid passes out through tiny nozzles called spinnerets at the rear of the abdomen, stretching and drying line up the protein chains, turning a droplet into a solid thread. The whole process works at normal air temperature and uses very little water.

Because different glands make different blends, one spider can produce several kinds of thread: dry safety lines, sticky capture spirals, or soft wrapping material for prey. Pulling on the abdomen or walking steadily lets the animal control how fast a strand is drawn and how thick it becomes.

Where this entry sits

This collection gathers small wonders from the world of ants, bees, butterflies, beetles, and spiders. Expect surprising details about swarms, silk, and metamorphosis, plus the strange everyday abilities of creatures small enough to fit on a fingertip. The full list sits on the Insects and Spiders page, where every entry is listed in order.