Some delicacies are confined to a certain culture, such as fugu in Japan, bird's nest soup (made out of swiftlet nests) in China and ant larvae (escamoles) in Mexico.
Often this is because of unusual flavors or characteristics or because it is rare.
Delicacies are different across different countries and ages.
Flamingo tongue was a highly prized dish in ancient Rome, but is not eaten at all in modern times.
Lobsters were considered poverty food in North America until the mid-19th century, when they started being treated as they were in Europe, a delicacy.
"Tell me what you eat, and I will tell you what you are." - Jean Anthelme Brillat-Savarin.
"A gourmet who thinks of calories is like a tart who looks at her watch." - James Beard.
"No man under forty can be dignified with the title of gourmet." - Jean Anthelme Brillat-Savarin.
A DELICACY is a food item that is considered highly desirable in certain cultures.
A GOURMAND is a person who takes great pleasure in food.