http://www.nabluebirdsociety.org/PDF/NABS%202420%20Eastern%20-Bluebird%20Nestbox%20Plans.pdf WebMar 15, 2024 · Problems With Oversized Entrances . If a house entrance hole grows just 1/8 or 1/4 of an inch, different species such as the house sparrow or European starling can get inside and may evict, injure, or …
RSPB bird box hole sizes - Bird Barn
WebMar 26, 2024 · In this video I'll explain the exact entrance hole size you'll need to use for all three species of bluebirds in North America - Eastern Bluebirds, Western Bluebirds, and Mountain Bluebirds. In areas of North America where multiple species of bluebirds overlap, be generous and choose the larger entrance hole size.This will allow all species of bluebirds to successfully access your nest box. In overlapping areas, choose these entrance hole sizes: 1. A 1 3/8 inch circular entrance hole 2. A 2 1/4 inch x 1 … See more Even though eastern bluebirds weigh more on average than the other two species of bluebirds (up to 32 grams for an adult), they actually have the smallest wingspan, of up to 12.6 inches (source). This contributes to … See more I recommend using the same size entrance hole for western bluebirds and mountain bluebirds. Although the two birds are slightly different … See more Oval entrance holes are popular in nest box designs such as the Peterson Bluebird House and the Gilwood Bluebird House. These boxes have become widely used in eastern bluebird … See more Any circular entrance hole that is 1 1/4 inches or smaller will be effective at keeping out house sparrows. Unfortunately, this size will also keep bluebirds from using the same nest box. The sad reality is … See more piggott mohawks football facebook
How to Make a Bluebird Feeder (Bluebird Feeder Plans)
WebIf you want a round entrance hole, the eastern bluebird box should have 1 1/2-inch in diameter and 1 9/16 inches for western and mountain bluebirds. An Eastern bluebird house should also have a 1 3/8 by 2 1/4 inches vertical oval hole or a 1 1/8-inch sparrow-resistant slot entrance (horizontal ) at the top front of the nest box. Webnest box, clean itoutso more birds can use it. Boxes should be 12 to 20 feet above the ground. House sparrow nest (left) and bluebird nest (right). House sparrow and bluebird eggs are similar in size. House sparrow eggs can be cream, white, blue or greenish colored, with irregular brown or gray speckles. Bluebird With iridescent blue upperparts ... WebFeb 22, 2024 · Best bluebird feeders. #1. Erva Bluebird Feeder. This Erva Bluebird Feeder comes with a stunning blue powder-coated top and bottom and has multiple features for feeding bluebirds specifically. Vinyl-coated wire surrounding the feeder prevents large birds like Northern Cardinals, Blue Jays, or European Starlings from coming in. ping a friends phone