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.
There are situations where the surviving parakeet will die after the partner's death. Don't mistake this for a romantic Romeo and Juliet scenario where one bird cannot live without the other. Most likely, both parakeets contracted a disease that killed one and then the other.