Although worms have no eyes, they do have very sensitive light receptors in their skin. When exposed, worms will try to bury themselves in their bedding and will stay there until it is dark again. A worm's skin is also very sensitive and can sunburn easily. For that reason, if you harvest your compost outdoors, you should try to finish quickly. Alternatively, you can harvest the compost using artificial light.
Worms reproduce quickly and frequently.
Worm eggs are small, oval shaped cocoons generally found throughout the bedding. Each cocoon contains one to several baby worms and will take several weeks to hatch. Baby worms look like tiny, white threads. If you find worm cocoons in your compost, you should add egg-shells because worms need calcium to reproduce. Worms don't like vibrations, so don't locate your worm bin near to refrigerators, washers or dryers.