Hedgehogs eat small animals, like frogs and insects, so many people keep them as useful pets. When in danger, they will curl up into a ball and stick up their coat of sharp spines.
Ithidh gràineagan beathaichean beaga mar losgannan is biastagan, mar sin cumaidh iomadh daoine iad mar pheataichean feumail. Nuair a bhios iad fo chunnart, nì iad bàla dhaibh fhèin leis na bioran geura aca an àirde.