Why did they put “Hedgehogs” in the “Rodents” category?
1) It is an error. Probably they did not know what to do with them after the insectivora got abandoned. And in the rodents (rodentia), you already have the porcupines and the groundhogs… Actually, the hedgehogs belong to the subfamily Erinaceinae and the order Erinaceomorpha. 2) “A hedgehog is any of the spiny mammals of the subfamily Erinaceinae and the order Erinaceomorpha. There are 16 species of hedgehog in five genera, found through parts of Europe, Asia, Africa, and New Zealand. There are no hedgehogs native to Australia, and no living species native to North America; those in New Zealand are introduced. Hedgehogs have changed little over the last 15 million years. Like many of the first mammals they have adapted to a nocturnal, insectivorous way of life. The name ‘hedgehog’ came into use around the year 1450, derived from the Middle Engli
