Barred Owl Box Dimensions

Our design is 11 ft3 with with nearly 6 ft2 of floor space.

Barred owl box dimensions.

Features of a good nest box. No perch is necessary and adding one will only give footing to predators. Learn what features are best for birds and their safety. Have someone help you push the sides together so.

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. Barred owl nestlings in a box of the author s design. Clutch size phenology for common species. Place 3 4 of wood chips in bottom of 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. If it is not right pull the sides apart and redo the step. 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. 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.

Otherwise you will have problems later. Results from research conducted on owl nest boxes of various sizes indicate smaller boxes. Photograph by the author. Barred owl nest box plan and information.

Other designs using wide pine boards were similarly heavy as well as prone to rapid decay. Turn the box 180 degrees and attach the back side the same way you attached the front side. 3 2010 boxes in a tree made it clear to me that there had to be a better way.