No, walnut shells are not edible and should not be consumed. They are hard, fibrous, and can pose a choking hazard or cause digestive issues if ingested. While walnut shells are safe for some uses, such as in crafts or as a natural abrasive, it's best to stick to the nut itself for eating.
A squirrel may only eat one part of a walnut because it is rich in nutrients and fat. The shell of the walnut is discarded because it has no nutritional value to the squirrel.
I am not sure, but walnut shell is very hard, so the squirrels can't triturate it to deglute. But I advise you to give a wallnut to a squirrel and watch the little fellow eating the wallnut. If the shell is left on the floor then it is a secure sign that the squirrel did not eat it.
Thumbelina is the fairy tale character who slept in a walnut shell. She is a tiny girl who was born from a flower and taken in by a toad, sleeping in the shell until she finds a new home.
A caterpillar that, when in metamorphosis, cocoon looks like a walnut shell.
In a walnut shell
Walnut is an edible nut with a smooth thin shell.
To open a walnut effectively, place it on a hard surface and use a nutcracker to apply gentle pressure until the shell cracks open. Then, carefully remove the nut from the shell.
walnut shell is the hardest of all wood.
walnut
Walnuts when they are still being grown have a green shell. On harvesting, the actual walnut is a nice brown colour. Walnuts are widely used in cakes and walnut oil in salad dressing.
Walnuts originate from walnut trees (such as the Black Walnut), in the Juglans family. Walnut trees have pinnate leaves and hard shell-encased fruit, which when cracked open yield walnuts.
Her chariot was made from the empty shell of a walnut.