The Dorset Hedgehog Rescue says the hot weather can lead to mums' self-preservation mode kicking in.
A hedgehog highway is a network of small holes and gaps that allows hedgehogs to move freely.
This year's Visites du Branchage will take place over two weeks from 26 June.
A wildlife charity says it has seen an increasing number of animals marked with paint or varnish.
His carer says Instagram followers have been comparing their own weight loss journeys to Ted's.
The hoglets are being cared for by a local hedgehog rescue centre before being returned to the wild.
Channel Islands groups are asking people to check before carrying out work in their gardens.
The group says without its services thousands of animals would be left to die on London's streets.
Witnesses reported seeing the girls throwing the animal down a slide and up in the air, a charity says.