Diameter. https://suncatcherstudio.com/birds/cleaning-bird-houses/. Training Purple Martins to use Crescent Holes, Making Natural Gourds into Purple Martin Houses, Housing Shortage for Cavity-Nesting Birds, All of the birds listed below are cavity nesting birds and will use a gourd for their home if it is positioned and hung properly. Check out the following article on bird house maintenance: Read about the, Patchwork Gourd Birdhouse, White Background, 1-1/2″ hole, Patchwork Gourd Birdhouse, Natural Background, 1-1/2″ hole, Gourd Birdhouse (medium) 1-1/2″ hole – Green, Gourd Birdhouse (medium) 1-1/2″ hole – Clear, Gourd Birdhouse (medium) 1-1/2″ hole – saddle tan, Gourd Birdhouse (medium) 1-1/2″ hole – red, Gourd Birdhouse (medium) 1-1/2″ hole – Mahogany, Purple Martin House – white w/ 2″ round hole and cleanout access, Purple Martin House – white w/ starling resistant entrance and cleanout, Purple Martin House – 2″ entrance hole, white. In any event, there is such a shortage of cavities for birds to live in, your gourd birdhouse should be filled in no time. What size opening and mounting height for a cardinal? Common rounded entrance hole Demand for rounded entrance hole bird boxes extends to over twelve bird species, and mostly those that are common small garden birds. Abed Zantout … I was looking for a simple plan for a birdhouse to make for my grandson. Obviously the small hole size is there to attract smaller garden birds, well the bigger ones target larger species. Don't miss out! In general, the higher the bird house the more protection the house provides from cats and other predators. Deep cavity natural gourd with Conley II Tunnel entrance featuring wing entrapment guard. In any event, there is such a shortage of cavities for birds to live in, your gourd birdhouse should be filled in no time. A perch allows a bird to land when carrying nesting materials and then push the materials inside. Can anyone help with my question? Purple Martins prefer natural gourds because the inside is easy to hang on to and move around, not slippery like plastic gourds. For these species, use one of our gourd nest boxes. Below are some optimum hole sizes for common cavity nesting birds. For example, if the entrance hole is 1.5″, I will place the perch 1.5″ below the entrance hole. An excellent home for purple martins, an affordable choice for those not interested in nest checks. Required fields are marked *. The chart above list the recommended heights for mounting birdhouses for various bird species. All of the birds listed below are cavity nesting birds and will use a gourd for their home if it is positioned and hung properly. I would check out the video on the page Blue Bird Nest Boxes if you are looking for inexpensive birdhouses. Gourds hung in early spring usually get filled by a new family by breeding time in late spring and early summer. A perch also allows a bird to examine its surroundings before entering the birdhouse. Thank you, just the information I was looking for. Each birdhouse is unique with a different patchwork pattern but with the same colors. Bill. This Purple Martin House has a large cavity (9″ – 10″ dia. 9″-10″ gourd, painted white, with hanging cord or wire. For some wrens, titmouses, nuthatches, and more. Many birds also prefer the opening to be away from the prevailing winds. That is, birds that build nests and lay eggs inside a cavity or sheltered chamber. Jan, cardinals are typically not cavity-nesting birds. I do not have a workshop, so I wanted something simple I can make in my garage. Hole is 1.5″ wide. To attract nesting birds, it is important to mount or hang the birdhouse in the ideal location. Bill. Thanks again. Bluebirds will accept entrance holes that range from 1 1/2-inches to 1 9/16-inches in diameter.