Animal Tracking Tunnel

Tracking tunnel
I’ve tied the tunnel down in case a fox, cat or magpie investigates it. Even so, it wouldn’t surprise me if one of them doesn’t pull out the margarine tub lid to investigate.

It’s the final week of the University of York’s free online Future Learn course The Biology of Bugs, Brains and Beasts and for our ‘Beasts’ practical work, we’re using a homemade tracking to tunnel to discover – if it works – whether we’ve got rodents or hedgehogs in our back garden.

assembling the tunnel

I’ve slotted two cut-down 4-pint plastic milk bottles to make the tunnel. Our long-handled stapler came in useful here.

covering the tunnel

I then covered the tunnel in black sugar paper because small mammals prefer darker places to forage. Black plastic would have been more weatherproof, but I had the sugar paper to hand.

baiting the trap with peanut butter

Finally, using one of the milk bottle tops which I’d saved, I baited the tunnel with organic peanut butter and a few sunflower hearts from the bird feeder. That should be more than enough to tempt any passing rodent.

The sponge is soaked in green food dye and hopefully, in the morning, I’ll see a few small footprints on the paper. I’ve left it in the quietest part of the garden at the back of my little meadow area, in the long grass near the hedge. A small hole amongst the grasses at the far end of the tunnel might well be a vole hole.

Links

How to make a tracking tunnel, backyard conservation with Ana.

The Future Learn Biology of Bugs, Brains and Beasts course run by the biosciences department of the University of York

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