Testate amoeba in hedgehog faeces. Scanning electron micrograph (SEM). The European hedgehog (Erinaceus europaeus) is host to a wide variety of gut pathogens and parasites (helminths, nematodes, flukes, protozoans, and specific bacteria) the overburdening with which can significantly alter the fitness of the animal and also its suitability for release from wildlife rehabilitation centres. Magnification: x2000 when printed 10cm wide.