The littlest rat catchers: New Zealand schoolchildren trap and kill 600 pests in 100 days

As part of an attempt to rid Stewart Island of the rodents, children as young as five have taken part in a rat catching competition, with remarkable results

In a tiny school on the southern-most tip of New Zealand, the children are lining up their kill.

Big brown rats with long tails, their stomachs caked in blood. Smaller rats, stiff from the refrigerator, tails in a tangle.