Coconut a regular part of the diets of many people in the tropics and subtropics. Coconuts are distinct from other fruits because their endosperm contains a large quantity of clear liquid, called "coconut milk" in the literature, and when immature, may be harvested for their potable "coconut water", also called "coconut juice". Mature, ripe coconuts can be used as edible seeds, or processed for oil and plant milk from the flesh, charcoal from the hard shell, and coir from the fibrous husk. Dried coconut flesh is called copra, and the oil and milk derived from it are commonly used in cooking
Coconut in Indonesia between 1998 and 2008. "Amphioctopus marginatus" is the first invertebrate known to be able to use tools. A coconut can be hollowed out and used as a home for a rodent or small birds. Halved, drained coconuts can also be hung up as bird feeders, and after the flesh has gone, can be filled with fat in winter to attract tits. Coconut oil is increasingly used in the food industry. Proteins from coconut may cause food allergy, including anaphylaxis. In the United States, the U.S. Food and Drug Administration declared that coconut must be disclosed as an ingredient