Assuming you would like a head to head comparison of the two best-selling birdhouses on Amazon:

The first birdhouse is the Nature’s Way Bird Products CWF13 Cedar Wren House, which is made out of cedar wood. It is 6 x 6 x 9 inches, has a 1.5-inch hole, and can hold up to two wrens. This birdhouse is made in the USA, is easy to assemble, and has a removable back panel for easy cleaning. It costs $19.99.

The second birdhouse is the Songbird Essentials SE601060 Recycled Poly Lumber Bluebird House. It is made out of recycled plastic, is blue in color, and has a 1.25-inch hole. This birdhouse is made in the USA, is easy to assemble, and has a removable back panel for easy cleaning. It also has a drainage hole in the bottom and ventilation holes in the top. It costs $21.99.

Nature’s Way Bird Products CWF13 Cedar Wren House:
-Made out of cedar wood
-6 x 6 x 9 inches
-1.5-inch hole
-Can hold up to two wrens
-Made in the USA
-Easy to assemble
-Removable back panel for easy cleaning
-Costs $19.99

Songbird Essentials SE601060 Recycled Poly Lumber Bluebird House:
-Made out of recycled plastic
-Blue in color
-1.25-inch hole
-Made in the USA
-Easy to assemble
-Removable back panel for easy cleaning
-Has a drainage hole in the bottom
-Ventilation holes in the top
-Costs $21.99

Both of these birdhouses are made in the USA, are easy to assemble, and have removable back panels for easy cleaning. The Nature’s Way birdhouse is made out of cedar wood, is 6 x 6 x 9 inches, has a 1.5-inch hole, and can hold up to two wrens. The Songbird Essentials birdhouse is made out of recycled plastic, is blue in color, has a 1.25-inch hole, and also has a drainage hole in the bottom and ventilation holes in the top.

The Nature’s Way birdhouse costs $19.99 and the Songbird Essentials birdhouse costs $21.99.

Pros:
-The Nature’s Way birdhouse is less expensive
-The Nature’s Way birdhouse can hold up to two wrens

Cons:
-The Songbird Essentials birdhouse has a drainage hole in the bottom and ventilation holes in the top

Conclusion:
The Nature’s Way birdhouse is a great option if you are looking for an affordable, easy to assemble birdhouse that can hold up to two wrens. The Songbird Essentials birdhouse is a great option if you are looking for an easy to assemble birdhouse that has a drainage hole in the bottom and ventilation holes in the top.