All IALA buoys are warning or cautionary buoys.
A mooring buoy can be any shape or colour so long as it cannot be confused with an IALA buoy.
white with a crossed diamond
White with a Orange Circle and inside of it says, No Wake.
No a Cautionary tale is not a folktale
buoy
White buoy with blue
Cautionary Tales was created on 2007-11-19.
Cautionary Tales for Children was created in 1907.
beach
There is no internationally agreed colour for a mooring buoy. A local chart should be consulted to find the position and use of buoys. For small water craft they tend to be made of plastic, look much like a fender and have a handle on the top.For larger vessels they are, steel, either painted black or yellow, cylindrical, horizontal, have mooring rings and have wooden fendering on them.
A nun buoy is a type of navigational buoy that is cylindrical in shape and typically painted red. It is anchored to the seabed and marks the right side of a channel or the centerline of a waterway for boats and ships to navigate safely. It usually has a topmark that helps vessels identify it from a distance.
Buoy can be a verb. Her presence would always buoy my spirits.