Many myths state that blue attracts bluebirds!
white attracts them
Some people say its yellow red or white but after doing 2 hours and 46 minutes of research i found the answer to the question your looking for- the bluebird preference of color is black
I think blue attracts water, maybe answer I think.
RED
purple(:
Green
yellow
blue
The bluebird's favorite flower is often considered to be the bluebell, as its vibrant blue color attracts these birds. Bluebirds are also drawn to flowering plants that provide insects for food and nesting materials. Additionally, native wildflowers that bloom in open fields can create a suitable habitat for bluebirds.
No. No color attracts the sun or sunlight.
A brightening color usually attracts the attention of all the viewers.
Normally they are a sky blue color, but sometimes white clutches are found.