I went out yesterday to clean out the bird boxes and see
what they needed in the way of repairs.
Most boxes were in good shape and needed little more than a sweeping out
to get them ready for this year. This
box was the exception. Its need for
repairs was obvious.
Fourteen young birds fledged from here last year; two broods
of Bluebirds and one of Tree Swallows.
The final nest of the 2013 season was that of a Bluebird.
What I saw in the corner of the floor didn’t look promising
for the survival of this box. Termites
have been at work here.
The coat of paint was about all that was holding the side of
the box in place. A little pull and that
layer came away to reveal the remnants of a termite feast.
The top of the box wasn’t in any better shape. The other side, back and front of the box
were still sound, so the box is only half bad.
The box had been originally mounted to a wooden board that
was then affixed to a steel fence post.
Both were enclosed inside a four inch diameter corrugated plastic pipe
to discourage climbing predators from reaching the nest box.
Termites accessed the birdhouse by way of the board. They avoid exposure and hide their travel
route beneath an arched tunnel composed of mud and masticated wood fiber. Part of the protective cover has fallen away
to expose their travel route partially carved into the wood.
Being inside the plastic pipe protected many of the mud
tunnels. These would normally not
survive the winter weather.
The termite colony is located in the soil where moisture and
temperature are more stable. They
utilize the mud tunnels to access wood, their food source, not in direct
contact with the soil.
Termites are in danger of desiccation if exposed to heat or
dry air and are a prime prey item for a long list of insect eating
predators. They survive by remaining
hidden.
The small, soft bodied termite doesn’t look threatening, but
the combination of mandibles capable of chomping into wood and intestinal microorganisms
that aid in wood digestion make these insects champions at producing compost
from large chunks of wood.
Termites are social insects that can develop large colonies
centered around an egg producing queen.
When I was younger, I went through an ant farm period where I maintained
several ant colonies living between sheets of closely mounted clear
plastic. After finding a piece of
firewood full of termites, I filled an empty ant farm with some soil and wood
chunks and loaded in as many termites as I could get from that firewood. There was no queen, but the hundreds of
workers managed to go about their business as usual. The termites were fascinating to watch and flourished
for several months until my father noticed them. I tried to explain that they were no threat
to the house, but they were evicted along with several other creatures that he
felt should not be living in a young boy’s bedroom.
More Sandhill Cranes
16 hours ago
I hope you have a new house for that spot. Times a- wasting. I saw a pair of bluebirds in my garden this morning!
ReplyDeleteHi Becky. It's not new, but a replacement box has already been installed.
ReplyDelete