facts about bird boxes and tips concerning setting them up.
bird boxes using oak plugs.
try to avoid using metal nails. Nails in-grown in trees are a guaranteed
cause of problems for future foresters.
have used oak plugs to fix boxes to trees with excellent results over a
long period of time. We use 10 mm oak plugs. Oak is resistant to rot and
lasts a long time.
need a sharp 9.5 mm drill, rechargeable
electric drill and a hammer.
a hole at an angle (see picture above) in the rear of the box.
Note: with our “superior” model, the holes have been
an oak plug into the upper hole until it sticks out a couple of
centimetres on the rear side.
a hole with the same angle in the tree trunk. Erect the box but allow 3 or
4 centimetres of the plug to remain visible on the front side (see picture).
the box firmly and drill the lower hole. Knock in the plug. The plugs then
swell as they take up moisture form the tree and this guarantees that the
box stays firmly in position.
the status of the plugs and the box each year when cleaning the box.
trees that grow slowly – if erecting boxes in a regular forest avoid
trees of commercial timber value.
the box every year – birds down spring-clean the boxes themselves! A
good time to do this is in the spring.
a height of 2 – 3 metres for boxes for smaller birds. Compass direction
is not so critical as long as the box is not exposed to long periods of
strong sunshine every day. Allow 15 – 20 metres between boxes.
If the boxes are closer, choose a mixture of entry hole sizes.
is advisable to erect boxes for tawny owls
in agricultural areas with a mixture of fields and trees. Make sure
there is free access for the birds to fly direct into the hole. These boxes should be erected at a height of about 3 – 4
metres, or v even more. Owl
boxes require a layer of base material in the bottom since they do not
build their own nests. Use sawdust, shavings or pieces of an old tree
golden eye relies on
hollow trees for nesting purposes. Erect such boxes near water. This helps
the young birds get a good start in life.
luck with your bird boxes!
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