We look at 6 of the very best hedgehog houses for hibernation and shelter, we compared build quality, materials used, how easy it is to access and clean. There were days when hedgehogs were familiar sights in gardens, parks and waste grounds, but count yourself lucky if you see one scampering in your garden, particularly in broad daylight. These nocturnal mammals are in worrying declines, in recent times their numbers have declined from maybe 36 million…