Barn Owl Boxes Plans

Essential requirements for barn owl tree box designs.
Barn owl boxes plans. It uses quiet barns and cavities in trees for nesting and roosting where its presence is often given away by pellets and droppings. Barn owl nest boxes are often set up inside an open air building such as a barn shed or an abandoned building but barn owls will also move into a nest boxes mounted to trees or poles in suitable open areas near fields woodlands and orchards. Too many barn owl box designs create a nest box that might be only 18 deep. Because placement of boxes is crucial the first step is to take a close look at rodent infested areas and estimate the number of boxes required figuring one box for every 640 acres.
Avoid sites within 1 km of a motorway or other fast unscreened main roads due to the risk of road deaths. 2019 barn owl nest box plans and instructions. Barn owl nestboxes in the uk should be placed inside rural buildings that overlook open habitat. The barn owl is the classic white owl of the countryside.
The dimensions given in the owl box plans below must be treated as the minimum required size. And keep in mind that the entire brood of owls must reach adult size inside that nest box before fledging each of them 12 to 14 inches high and flapping their. Ideal barn owl boxes would be much bigger. A full 1 metre from the bottom of the entrance hole to the bottom of the box and with a floor area of at least 1m x 1m.
For years simmons has monitored hundreds of these barn owl boxes and banded over 14 000 barn owls by 2010. Simmons has become a significant contributor to bird ecology through a massive program of building nest boxes followed by studying the occupants via banding. If boxes are in the right habitat with sufficient prey available barn owls may nest in a range of box styles. Nestboxes do not need to be placed directly on patches or strips of rough grassland as the birds are perfectly capable of.
The barn owl trust recommends nest boxes be deep with the entry hole at about 18. However owl boxes that. Distance of entry hole from roof. Make sure the box will be safe from any cats gophers or raccoons by placing it within 100 yards of any large tree.
While this size can attract a breeding pair keep in mind that barn owls produce an extraordinary number of young seven is quite common. Stone on may 7 2014 may 07 2014 anita b. Our own research has shown that an entry hole placed at 16 17 from the floor is sufficient to keep young from accessing the portal until they have lost their density and have developed flight feathers. Barn owl nest box original design by steve simmons view detailed instructions cutlist for two nest boxes materials list to build two nest boxes 1 sheet x 4 x 8 exterior grade plywood 68 each 1 5 8 8 deck screws 8 each 1 long l screws sometimes called right angle screws or square bend screw hooks 4 pair 1 5 x 1 5 nickel plated non removable pin.
No perch is necessary and adding one will only give footing to predators. This barn owl box plan was developed by steve simmons of merced california and has been in extensive use since 1995. It hunts small mammals especially voles over rough grassland. How to build a barn owl nest by anita b.
If mounted indoors it is very important that the owls have unrestricted access to the nesting box flying in and out of the building as they please.