What does the term like a row of bird houses mean from book Walk Two Moons?

In the book "Walk Two Moons," the phrase "like a row of birdhouses" is used to describe the houses of the residents in Bybanks, Kentucky, where the main character, Sal, is staying with her grandparents.

Sal describes the houses in Bybanks as being small, identical, and arranged in a straight line, much like a row of birdhouses. This visual imagery suggests a sense of order and uniformity, which reflects the small-town atmosphere and the tight-knit community of Bybanks.

Overall, the phrase "like a row of birdhouses" is used to create a vivid mental picture of the town and its surroundings, while also conveying a sense of the town's character and the lives of its residents.