Hedgehogs are small, spiky mammals covered in hundreds of sharp spines made of stiff keratin. That said, they are not to be confused with a porcupine or echidna, which are different species. Hedgehogs ...

Food was by far the most important factor for their presence, with the spiky mammals appearing in 78% of gardens that supplied hedgehog food and 53% of gardens where bird food was left on the ground.