After mating, female wolf spiders lay several dozen or more eggs and wrap them in silk, creating an egg sac that they carry around with them. Mothers are known to be aggressive when carrying their egg sacs. Sometimes, they need to drop their egg sacs to escape predators. If that happens, females search furiously to find the egg sacs and may even pick up another wolf spider's abandoned egg sac to care for. "After hatching, the spiderlings climb on their mother's back, and she carries them around for several days," Sewlal said. After this, the spiderlings leave their mothers and go off alone. Male wolf spiders typically live for one year or less, while females can live for several years.