Wolf spiders carry their egg sacs attached to their abdomen, ensuring their babies stay warm and protected wherever they go. Widow spiders — like black widows — hide their egg sacs in dark ...

Female wolf spiders carry their egg sacs at the bottom of their abdomen attached to the spinnerets (silk-spinning organs) and ...

The idea that wolf spiders might be active in winter in ... they had been found hunting and even waddling around with egg sacs in January at a hot spring in Romania, but no Icelandic scientist ...