I found this chewed hazel nut shell left over from last autumn and wondered which lucky rodent had got the kernel.
This diagram shows the different chewing patterns of four of the likely candidates. Who gnawed my nut, do you think?
Bank Vole: tooth marks radiating outward ?
Photo: Gary Cox
Wood Mouse: toothmarks radiating outward AND marks around the hole ?
Photo: PTES
Dormouse: toothmarks parallel to edge of hole - quite rare ?
Photo: focussing on wildlife
Grey Squirrel: nut shell split in half ?
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