We came to a hummocky, undulating area of soil about 10sqm beside a gidgee tree.

BBC: Protecting a wombat species that is as fast as Usain Bolt

Many a western teenager has learned about marksmanship by plinking away in a prairie dog town, the hummocky meadows where the creatures live and play.

ECONOMIST: An endangered nuisance

It is archaeology that has broken up the hummocky ground.

ECONOMIST: Emile Fradin