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The common swift
While there is cause to be concerned about the future
for many species in Scotland (see Tayside Biodiversity
Partnership website), swifts and bats are very much at
the mercy of how people manage their usual habitat which
is very often older building stock. There has been a notable
decline in the numbers of swifts in Scotland in recent
years and expert opinion suggests this is in large part
due to the way people build new buildings and how older
buildings are maintained.
We believe that it is feasible to make
provision for swifts to nest in or on your building without
compromising to your building’s ability to combat
weather and without any known health or hygiene issues.
ARA is running two live projects where displaced swift
colonies are being encouraged to return, having been ousted
by building works. At Glenhead there are signs of the birds
coming back and there has been a single nesting pair for
the last few years and, allowing for the juvenile non-nesting
period, we hope to see more than one pair this year. We
will be installing prototype nest boxes of our own design
to see if birds can be persuaded to decamp to a nearby
but more practical building. At Cloan the colony of swifts
was completely lost but last year a Schwegler triple box
was erected and a call CD used to encourage interest from
nearby populations. Swifts were seen around the building
for the first time in ten years and so we will be keeping
a keen eye on the sky around Cloan in May.
The prototype swift box designs are going to be made according
to different building types and situations and we will be
reporting on progress. We hope to have half a dozen made
this year for building in to masonry walls and next year
we will be hoping to trial a roof apex design and a stone
: slate eaves design. |
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