Has tough times in Holland: population has been halved last 10 years. Many die by cars but there’s a lot we can do to increase the population. Especially our gardens can be improved to make them a friendlier place to survive for hedgehogs.
. Make a hiding place
They love to nest in hedges, bushes, compost piles and fallen trees. 
As long it’s dry and shuttered. You can also add a house
. Make a watering place
If it’s dry weather it’s hard to find water and hedgehogs can drawn in ponds so place a shallow drinking bowl, in which also other animals can drink and bath.
. Don’t give them milk
It can give him diarrhea
. robot grassmower
Many animals die because of these are real killers…
. Give them some extra food
You can give catfood or buy special hedgehog food 
. Plant native plants, they will also attract other animals: like insects and birds. This will result in a bigger biodiversity. 
. Don’t use chemical pesticides 
They end up in the stomach and causes illnesses 
. Don’t leave stuff laying around 
The hedgehog is a curious being that’s investigates, make sure he doesn’t get stuck and will starve.