Rum part of this blending process, light rums may be filtered to remove any colour gained during ageing. For darker rums, caramel may be added to adjust the colour of the final product. Artificial ageing attempts to match the molecular composition of aged rum using heat and light. Besides rum punches, cocktails such as the Cuba libre and daiquiri have well-known stories of their invention in the Caribbean. Tiki culture in the U.S. helped expand rum's horizons with inventions such as the mai tai and zombie. Other well-known cocktails containing rum include the piña colada, a drink made popular in America
What Bird is That? according to their usual habitat. The accompanying text included brief notes on distribution, breeding and behaviour. While initial sales were poor, history tells us that Cayley had accurately discerned a market need and successfully responded to it. During WWII sales accelerated and Cayley’s first collection, reprinted time and time again, eventually became a household name among birdwatchers and the book was recognised as an Australian classic. The original sponsorship of "What Bird is That?" proved a great investment for the Gould League, who benefited from the sale of its numerous reprints and revised editions. By 1960, it was rated the