birds choice purple martin house

Models typically come in either 3 floors (12 rooms) or 4 floors (16 rooms). Each nesting room is listed as 6" x 6".

They use crescent-shaped, starling-resistant entrance holes (SREH) designed to restrict European starlings while allowing purple martins to enter.

They are designed for pole mounting; the product details list the mount type as "Pole Mount."

The footprint is listed as 14" L x 19" W, with heights ranging from about 20" to 26" depending on the model. Weights range from approximately 8.5 to 10.5 pounds across the options.

They include a ventilated, reflective roof designed to improve airflow and help keep visiting birds cool.

They require adult assembly (tools not provided) and include hinged doors to simplify cleaning. Descriptions also note the units are lightweight to make assembly and raising/lowering easier.

Features include guard rails to help keep chicks secure, porch dividers to limit male porch domination, crescent-shaped starling-resistant entrance holes, and durable aluminum/stainless-steel construction for weather and predator resistance.