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.
Report Abuse. 1  Your parakeet can live just as long as your other pets! With proper nutrition and veterinary care, the parakeet life span can exceed 15 years with reports of the oldest parakeet being 20 years old! 2  The average life span is 15-20yrs for a parakeet. The reson most don't live past 8 yrs is because people don't know the proper diet for their bird. Most feed just seed and water nothing else. Yours has probably lived this long because you have the bird on a pellet/seed mix with fresh/frozen fruits and vegi's.