You may never have heard of the Terriswalkeris terraereginae, a giant blue earthworm living deep in the moist soils of tropical north Queensland, but it’s the prettiest worm you’ll ever see.

Mi Jiang was walking in her neighbourhood when she discovered blue earthworms scattered on the surface in Changzhi, Pingtung, on October 27. Footage shows some of the soil-dwelling terrestrial ...