🎰 Nestbox specifications (floor size, depth, height, width, entrance hole for birdhouses)

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Different individuals of the same bird species may vary slightly in size, but that variation is so small that birdhouse hole sizes can be made to standard dimensions without difficulty. Similarly, birds may often use houses with larger than typical entrance holes, though they can be at greater risk from predators or other threats. Even if a bird nests in an unexpected birdhouse, however, backyard birders should never attempt to remove a nest unless it is obviously unsafe or the feathered family has left and it is time to clean the house. Fortunately, it is easy to increase or decrease the size of a birdhouse hole and still use the house design you are interested in. Other options include using a thicker wood piece, an old shingle, or even a chunk of natural bark for a rustic, somewhat camouflaged entrance. A wooden resizer, however, may only last one nesting season. For a more permanent solution consider using thin sheet of metal that will resist chewing and talon damage from resident birds. Many birdhouse kits and novelty birdhouses come with pre-drilled entrance holes that may not match the optimum size for birds you want to nest in your yard. Where two bird species share similar hole size preferences and also breed in the same range, such as the downy woodpecker and the house wren, either bird may use the same house. Even if other dimensions may vary, if the bird finds the house to be a good nesting spot, they'll be happy to raise a family there.

While the floor space, entrance height, and roof height are also important birdhouse dimensionsit is the just click for source of the entrance hole that will most bluebird box hole size determine which birds find the house attractive and which birds can use the house safely.

American Kestrel - 3 inches 7. If the hole only needs to be enlarged a small bit, a round file may be sufficient or you can use a smaller drill bit along the edges of the hole. A fraction of an inch too small and your desired residents could get stuck moving in and out of the house, may damage their feathers as they enter and bluebird box hole size, or will not fit into the house at all.

You may need to use a small piece of wood over the original entrance to brace and guide the bit, and it may be necessary to sand away any rough edges after drilling. Be sure to increase the hole size uniformly around bluebird box hole size circumference to preserve the circular shape as much as possible, though it does not need to be perfect.

Birdhouse Dimensions and Sizes. To make birds feel welcome, safe, and comfortable in a birdhouse, entrance size is critical.

By keeping birdhouse entrance holes to the proper sizes, the houses will be more attractive and birds will be more likely to raise their families safely and securely.

Making a birdhouse hole smaller is easier than it may seem. Read More.

These basic entrance sizes can help attract just the types of birds you want to become backyard residents. A very tiny hole will exclude all cavity-nesting bird species, while a very a large hole is a welcome invitation to squirrels, rats, large snakes, raccoons, opossums, or other animals to use the house instead of birds. A fraction of an inch too large and you may find less desirable birds such as house sparrows and European starlings usurping the birdhouse or killing other birds or nestlings.