Birdlife Fluorescent Lamps The ESU Birdlife Avian Lamp is the ideal all purpose fluorescent bird lamp. The full-spectrum light brings out the vibrant colors in birds while providing the proper lighting necessary for successful breeding. The UVB rays emitted help birds metabolize Vitamins A and D, and synthesize Vitamin C for improved health, growth, and vitality. The Avian Fluorescent lamps are available in 15" 14-watt, 18" 15-watt, 24" 20-watt, 36" 30-watt, and 48" 40-watt sizes.