The red-billed blue magpie (Urocissa erythroryncha) is a species of bird in the crow family, Corvidae. It is about the same size as the Eurasian magpie but has a much longer tail, one of the longest tails of any corvid. It is 65–68 cm (26–27 in) long and weighs 196-232 grams (6.9-8.2 oz).