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EC Nebraska | I've posted about these traps before, usually get asked for the plans:
What we built is an S&S controller. Plans are available from the Purple Martin Society here: http://shop.purplemartin.org/S_S_Controller_Plans-details.aspx I'm going to go ahead and encourage people to support them by purchasing the plans from them.
It's difficult to finetune the balance enough to reliably reset after each catch, so we installed a "reset rope" (a piece of lightweight baler twine).
This page has suggestions for fine tuning to catch sparrows as well as starlings. http://www.wtc.ab.ca/northernskys/shutter.htm
This is a modification of the S&S fine tuned for sparrows. And, you don't have to support anyone for these plans. Just kill sparrows and he's happy. : http://www.chuckspurplemartinpage.com/spartrap.htm
Detailed instructions for a different type of sparrow and starling trap. Again, just kill those vermin and he's happy: http://www.chuckspurplemartinpage.com/startrap.htm
To answer a couple other questions: We rarely catch any species other than starlings. The Purple Martin Society recommends placing the traps among buildings near human activity. Starlings and sparrows don't mind people and won't avoid the trap. Most desirable species will avoid nesting too close to buildings with regular human activity and will therefore avoid the traps too. | |
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Starling infestation this year
