Results from research conducted on owl nest boxes of various sizes indicate smaller boxes.
Barred owl box dimensions.
Turn the box 180 degrees and attach the back side the same way you attached the front side.
Other designs using wide pine boards were similarly heavy as well as prone to rapid decay.
Barred owl nestlings in a box of the author s design.
Box height entrance above floor entrance hole height above ground robin phoebe barn swallow 7 x 8 8 6 10 barn owl 11 1 4 x 36 15 3 4 4 6 20 25 barred owl 13 x 11 1 2 23 12 7 x 7 with top rounded 20 30 within 200 of water bluebird great crested flycatcher.
Violet green and tree swallows 4 x 5 1 2 9 6 1 3 8 w x.
Place 3 4 of wood chips in bottom of box.
Learn what features are best for birds and their safety.
Photograph by the author.
If it is not right pull the sides apart and redo the step.
Our design is 11 ft3 with with nearly 6 ft2 of floor space.
Features of a good nest box.
Building a barred owl nest box 1 2 sheet 4 x 4 3 4 plywood pressure treated if desired exterior wood glue 1 5 8 ths exterior wood screws 2 4 inch by 1 4 inch all thread bolts to connect perch to nest box several 1 4 inch nuts washers and lock washers 2 6 inch long by 1 1 2 or 2 inch wide.
152 bird observer vol.
3 2010 boxes in a tree made it clear to me that there had to be a better way.
The barn owl trust a leading authority on barn owls recommends increasing their nest box dimensions by 50 for the american barn owl equating to a floor dimension of 30 x 24 5 ft2 and a minimum of 10 ft3 for a box that is 24 deep.
Otherwise you will have problems later.
Barred owl nest box plan and information.
Have someone help you push the sides together so.
Clutch size phenology for common species.