It seems the best bait for voles is to tie sunflower seeds to the trap trigger, but poking a needle through the seeds tends to split them.
Well, I can fix that:
This is “shell drilling” of a kind I had not previously encountered:
Those are #52 drill holes, 63-ish mils in diameter, and pass a standard sewing needle with ease.
The traps have been baited and deployed amid a plague of voles and I await customer feedback …
The Smell of Molten Projects in the Morning 
Comments
3 responses to “Drilled Sunflower Seeds”
Let’s be careful out there.
https://en.wikipedia.org/wiki/Puumala_orthohantavirus
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9539979/
Kinda like mice: they look harmless while carrying loathsome diseases.
Mary doesn’t want these particular voles dead. She wants them extinct. :grin:
[…] the drilled sunflower seeds worked reasonably well, various critters gnawed through the threads and escaped unharmed with the […]