|Erinaceus europaeus by Michael Gäbler. Licensed under CC BY-SA 3.0|
We reflected on how common they seemed to be when we were children. Our own kids have only seen a live hedgehog once and they are now on the Biodiversity Action Plan for the UK as a threatened species, having an estimated decline of around 25% over the last couple of decades.
Furze-pig is a great colloquial name for them. They can make funny noises too.