are copyrighted, and may not be used without the express permission of the photographer. 7-9" -Doug Zimmerman. 1.25 to 1.5" 16 to 18" 18 x 20" 7/8 x 1.5" slot. Fish & Wildlife Service "For the Birds. Look out for regular visitors to your garden and choose a box which best suits their needs. 8-10' So the 1 9/16" hole is a safe bet, and will also exclude almost all starlings, Top Tips and Tricks for Attracting Bluebirds, Cavity-Nesting Birds of North American Forests, Many people find that boxes with a 1.25" or 1 1/8", If the entrance hole is enlarged (e.g., by woodpeckers or chewing rodents), put a. For the best experience on our site, be sure to turn on Javascript in your browser. 15-20'? One excellent way to help native cavity-nesting birds survive and thrive is to put up a nestbox(es). 16-18" However, do not use CCA pressure-treated timber, since the leachates may harm birds. i had a blackbird nest in my bay tree. 2"? Smear box with white paint and caulk to simulate dried sap. Sign up to our email newsletter to receive the latest news and offers. See disclaimer, 4-8'? 10-12' 10-30' There are many nestbox styles, each of which have their own pros and cons. If birds were so selective that they took only nest sites of such precise dimensions then there would be insufficient natural sites, making life impossibly hard. 6-8"? REALLY useful website on with plans and recommended habitat, height and spacing. 3" high x 4" wide Here are some ways. You can check using our hole size guide. 10-12'? 5-15'? 15"? Includes clear instructions. Standard nest box 1 Material: roughsawn, untreated pine, -20 mm thickness to ensure insulation. 13 to 15 1&1/8-1.5" 5" 12-20' 12-20' Ringtail Possum Nest Box: A 400, B 240, C 200, D 70; Brushtail Possum Nest Box: A … 4-5? Birds are opportunists and may take any of a wide range of nest sites. ", Copyright © 2015 - All Rights Reserved If you experience problems with the website/find The measurements below are in millimeters and are the minimum guidelines for the dimensions of the boxes. 6-8"? 6-8"? ), 14 x 14" 15-18' on tall longleaf, loblolly, and pond pine with low understory, 1.75-2.75" 10-20'? May 27, 2020. 9 x 10"? You can check using our hole size guide. 6 x 8", 13" 1.25-1.5" round (prefer 1&3/8"?) What we do offer you is a nest box hole size chart that makes a referencing point when researching entrance holes for building your own or buying a bird box. Contains: Pre-cut wood sections, all screws, nails, washers and a hanger. Elliptical preferred? Design by Chimalis. Feel free to link to it (preferred as I update content regularly), or use text from it for personal or educational High preferred Nest Box Dimensions. 1.2-1.4"? Fill out your details below to get an exclusive 10% off discount code, and stay up to date with our latest news, products and offers. 1.25-1.5" 8-20'? National Trust Build Your Own 32mm Nest Box, Skip to the beginning of the images gallery, Buzzy® Organic Fruit & Vegetable Seeds, Hidden Nature Book: Uncovering the UK's Wildlife, CJ's Children's Free Activity Sheet Age 4-7. 12-20' One excellent way to help native cavity-nesting birds survive and thrive is to put up a nestbox(es). 5 degrees from outside to inside. 1.5"?