Well, another weird food they eat is frogs.
Snails are eaten by people and other animals
The Spanish do eat snails but then so do the French and Americans and a lot of other nationalities.
snails
they eat snails and other seafood
The Term you refer to as Escardo is actually escargo which is a delicassy in France, Escargo is a meal made only from snails and other various herbs and spices. The French find that snails are a good source of food and so it had become a popular delicassy amoungst the local people. Many french restaurants around the world also serve escargo.
snails do need other snails around them to be happy because they have remarkable senses and brains.
Pretty much anything that is considered American fast food, such as McDonald's fare.
Victuals Vitales or french Vitaille
other french people
The French are known for their pastries, wines and cheeses. Eclairs are a pastry with a custard filling and chocolate frosting. Cream puffs or profiterole are a light pastry with pastry cream. The French have many cheeses like Brie that are soft and often baked with a pastry crust. Other French cheeses are blue, Roquefort, Boursin, camembert, Neufchâtel (which is what is used to make cheesecake) and Emmental.
Snails cannot eat oranges because if they do, they will die because of the many acids inside of it. There are probably several other foods and drinks that they cannot consume, but the information and details on that are most likely not available at this time.
Poutine is a popular food that people in Quebec eat. It is a dish composed of French fries, gravy, and cheese curd. Other foods commonly eaten in Quebec include bagels, tire d'erable, and cheese.