A highly effective way to bait a rat trap for garden voles:

The trap is a Victor M205 (in a 12-pack as M326) with a big yellow plastic bait pedal. The bait is pieces of walnut, secured to the pedal with generous strands of hot melt glue. The trick involves mechanically capturing the walnut by slobbering glue over & around it, forcing the vole to pull & tug while gnawing the last bit of goodness.
Which generally ends badly:

I do not begrudge the critters a fancy last meal; it’s gotta be better than their usual diet of carrots / radishes / turnips.
Voles have no qualms about eating the bait from a sprung trap with a dead compadre a few millimeters away:

They will sometimes eat the walnuts and their dead compadre.
The plastic pedals work much better than the old-style metal pedals at holding the steel arm wire. The wire slides freely on the plastic, in contrast to the previous high-friction metal-on-metal latch.
Some of the traps were entirely too sensitive and required slightly bending the tip of the arm wire upward to increase the friction on the plastic plate. Always always always handle armed traps by the wooden edges beside the kill bar, so when it accidentally snaps your fingers are nowhere near the business end.
After I figured out how to properly bait the traps and we set out half a dozen traps in the most attractive crops, Mary’s garden produced 54 dead voles over the course of 90 days, sometimes in groups of three or four at a time. While this did not prevent all the crop damage, it definitely reduced the problem.
Next year we’ll start early and probably reach triple digits by midsummer.
The same technique with Victor M035 mouse traps (in 12-packs as M035-12) is brutally effective on house mice.
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[…] we had considerable success trapping voles during the last half of the 2024 gardening season, Mary found a description of what might be a […]