Ah, from the size I'd upgrade my guess to a deer and guess that the previous owners got a load of venison and dumped the remaining bits/bones in the compost bin.
How bizarre. So I 100% don’t have to phone the police?
@Greenbank started
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Ah, from the size I'd upgrade my guess to a deer and guess that the previous owners got a load of venison and dumped the remaining bits/bones in the compost bin.