What are the differences between sparrows and crows

The difference between sparrows and crows is still very large.First of all, in terms of classification, the sparrow belongs to the birds of the family bird family, while the crow is a bird of the crow family.Secondly, their appearance is also very different. The sparrows are smaller, with a length of only about 13-15 cm. The body table is brown and there are mixed spots.The crow is much larger, with a body length of 50 cm and black.