Corvidae Corvidae is an exceptional family of oscine passerine birds, including crows, ravens, rooks, magpies, and jays. Known as the crow family or corvids, they are among the most intelligent birds, exhibiting remarkable cognitive abilities. Related Articles: Hooded CrowWoodland Bird SpottingSlow Worm (Anguis fragilis) Species Guide: Appearance, Diet, Habitat, Behavior, And Conservation StatusFine Art PrintsEurasian Jay (Garrulus glandarius) Species Guide: Appearance, Diet, Habitat, Behavior, Stats, And Conservation StatusGlossary: Eurasian JayGlossary: Long Eared OwlGlossary: Magpie