Caught in a Trap: Why Deer needed Suspicious Minds in Early Medieval Ireland

Prumplestown Tread-Trap under excavation

Ok. This is an archaeology blog, not a musical appreciation site. Why, I hear you ask, would we feel it necessary to make reference to one of the King’s best known tracks in the title? Well, as we all know Elvis Presley was one of the greatest musicians of all time, and Suspicious Minds is one of his greatest tracks. If archaeological finds were classic hits, then the one we discovered on the floodplain of the River Lerr in Co. Kildare in 2007 was a record-breaking No. 1.

The object was discovered during excavation works in the townland of Prumplestown Lower in advance of the N9/N10 Kilcullen-Waterford Road Scheme, carried out on behalf of Kildare County Council and the National Roads Authority. Work in a waterlogged area beside the River Lerr revealed an extraordinary object; a preserved wooden animal trap, an extremely rare find in Ireland. The site was excavated by Rubicon’s Trish Long and she published her preliminary findings in an article entitled ‘To the Waters and the Wild: Ancient Hunting in Co. Kildare’ which appeared in the NRA Seminar Proceedings Monograph No.6 Dining and Dwelling (2008).¬† However, we have only recently obtained the all important date for the trap, allowing us to place it firmly in the Early Medieval period.

Illustration of the Tread Trap and its component parts

The trap is a uniquely well preserved and well made example of an artefact type known as a tread-trap. It is constructed of two movable pieces of oak (known as valves) which were slotted into a rectangular oak frame with a central opening. A lattice of ‘teeth’ made from animal bone were inserted into the edge of the valves, and the frame was held together with hazel rods. The trap would have been set in a pit and a tripping board placed on top of it to allow it to be sprung. The leg of any passing animal that depressed this tripping board would have activated the trap, causing the valves to snap shut and ensnare the unfortunate creature.

Upper side of Assembled Tread Trap

Pollen dating has suggested Middle Bronze Age and Iron Age dates for Scandinavian examples of traps and a Late Bronze Age date has been recovered for a trap from Drummacaladdery, Co. Donegal. More recently a Scottish example from Aberdeenshire had been radiocarbon-dated to AD 530-680 and one from Larkhill, Co. Fermanagh was dated to the mid-6th century AD. The Co. Kildare example is the first  tread-trap of its type to be found in Britain or Ireland.

Underside of Assembled Tread Trap

The Prumplestown Lower Trap has recently returned a radiocarbon date of cal AD 660-810 (2

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