"Birds enjoy sharper vision than humans. Birds can see certain light frequencies, including ultraviolet, that humans cannot see." via windowalert.com
Natural Spectrum Compact Fluorescent bulbs. There's an obvious contrast between the Verilux Bulbs to our old standard bulbs. They really brighten up the place and makes things more vivid.
I personally love supporting companies that support charities, I'm so grateful they would consider ol' NFLB over here (as well as others!)
Thank you kindly for thinking of the birds.
To support their generosity and their great product, please visit verilux.com and peruse their wares.