The remaining blue light, when mixed with the yellow light, results in white light. New phosphors are being developed to improve color rendering as shown in Figure 5. Figure 5.
How Long Do Parakeets Live? Parakeets tend to live 10 to 14 years, if in good health. Not all will live that long, however, since parakeets can fall ill even with proper care. Improper care can shorten their lifespan to a mere 4 years or less. Consider these parakeet care tips.
Size and Life Span of the Lineolated Parakeet. The Lineolated Parakeet typically reaches lengths of between 6 and 7 inches when measured from the beak to the end of the tailfeathers. They normally weigh less than 2 ounces at maturity.