Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph.

A. However, their population is declining nowadays due to noise pollution.

B. It is one of the most common birds along with the other two species, the European starling, and the rock pigeon.

C. Their constant presence outside our homes makes it easy to overlook them.

D. House sparrows can be found in most places with and without houses (or other structures).