Birding Guidelines: Birdhouse Hole Size Chart

Follow the guidelines on this birdhouse hole size chart to make sure you're offering the right birdhouse for your feathered friends.

Birdhouse Hole Size Chart

Birdhouse Chart 2023

Different types of cavity nesting birds, including wrens and chickadees, need different sizes of birdhouses. Bookmark this helpful birdhouse hole size chart to reference whenever you’re shopping for a birdhouse or want to make a DIY nest box.

Will hummingbirds use a birdhouse?

tree swallow in birdhouse, birdhouse hole size chartCourtesy Ann Lowrey
A tree swallow pokes its head out of the birdhouse hole

Want a bigger version of our Birdhouse Hole Size Chart to print out and save? Click here to download a PDF of the guidelines.

Next, get more expert advice on how to choose the best birdhouses to attract more birds.

Lori Vanover
Lori has 20 years of experience writing and editing home, garden, birding and lifestyle content for several publishers. As Birds & Blooms senior digital editor, she leads a team of writers and editors sharing birding tips and expert gardening advice. Since joining Trusted Media Brands 13 years ago, she has held roles in digital and print, editing magazines and books, curating special interest publications, managing social media accounts, creating digital content and newsletters, and working with the Field Editors—Birds & Blooms network of more than 50 backyard birders. Passionate about animals and nature, Lori has a Bachelor of Science degree in Agricultural and Environmental Communications from the University of Illinois. In 2023, she became certified as a Wisconsin Extension Master Gardener, and she is a member of the Wisconsin Society for Ornithology and sits on the organization's Publications Advisory Committee. She frequently checks on her bird feeders while working from home and tests new varieties of perennials, herbs and vegetable plants in her ever-growing backyard gardens.