What is the difference between a field sparrow and an urban sparrow?

Field Sparrow – belongs to the passerine group. Birds that are kept in flocks. They settle in forests, shrubs, nearby orchards, vineyards in places where grain crops (fields) are grown, which is the main source of food. Smaller than house sparrow, there are differences in color.
City sparrow (brownie) – belongs to the group of passerines. These birds, unlike the field sparrow, live next to people, are found both in urban and rural areas. They lead a sedentary way of life, building nests nearby, for in the very dwelling (under the roof) of a person.