Barred Owl Box Dimensions

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.

Barred owl box dimensions.

Barred owl nestlings in a box of the author s design. Barred owl nest box plan and information. 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. 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.

Other designs using wide pine boards were similarly heavy as well as prone to rapid decay. If it is not right pull the sides apart and redo the step. Results from research conducted on owl nest boxes of various sizes indicate smaller boxes. Turn the box 180 degrees and attach the back side the same way you attached the front side.

Clutch size phenology for common species. Features of a good nest box. Our design is 11 ft3 with with nearly 6 ft2 of floor space. 152 bird observer vol.

Photograph by the author. Place 3 4 of wood chips in bottom of box. Learn what features are best for birds and their safety. Violet green and tree swallows 4 x 5 1 2 9 6 1 3 8 w x.

Have someone help you push the sides together so. A typical barn owl nest box has a six inch entrance hole that is suitable for a barn owl but too small for a great horned owl and the hole should be approximately four inches above the floor of the box. 12x13 inch floor minimum 24 inches tall minimum 7x7 inches or wider entrance hole at least 13 inches up from the floor 15 25 feet high off the ground.