Spider Web A spider web, or cobweb, is a structure made by a spider from silk produced by its spinnerets, designed to catch prey. Related Articles: Eurasian Blue Tit Species Guide: Appearance, Diet, Habitat, Behavior, Stats, And Conservation StatusLong-Tailed Tit Species Guide: Appearance, Diet, Habitat, Behavior, Stats, And Conservation StatusBrambling Species Guide: Appearance, Diet, Habitat, Behavior, Stats, And Conservation StatusCommon Chaffinch Species Guide: Appearance, Diet, Habitat, Behavior, Stats, And Conservation StatusEuropean Goldfinch Species Guide: Appearance, Diet, Habitat, Behavior, Stats, And Conservation StatusPenduline Tit Species Guide: Appearance, Diet, Habitat, Behavior, And Conservation StatusGlossary: Goldcrest (Regulus regulus)