Do Hummingbirds like BLUE feeders
Don't be to concerned about color of hummingbird feeders as the presence of nectar is going to be the real draw, not if feeders are made in blue, red, green or even copper.
Blue hummingbird feeders work because hummers are attracted to the nectar more than anything else. Hummers know what their feeder looks like so can be drawn to it by this alone, as the presence of nectar will seal the deal. Hummers do like blue feeders as much as the common made in red or green feeders.
Its not just blue, red, orange or green hummingbirds are attracted too, in fact all bird species can be drawn to a lit up in color bird feeder.
Color does matter in bird feeders, while hummingbirds associate a colorful feeder more than your average common backyard bird.
With that being said I believe a blue in color hummingbird feeder will be just as popular in use, than their favorite red feeder - including feeders finished in green or can be made with an unusual copper body.
Blue hummingbird feeder bodies is what attracts hummingbirds, with only a bit of blue drawing the eye or if its not the whole thing - or only the nectar storage bottle finished in blue, with no other color in sight.
What attracts hummingbirds to feeders is the much needed nectar contained within, the presence of a hummingbird feeder hanging up in a safe location in the yard is all you need to concentrate on.
With that in mind never use food coloring to change the clear nectar to blue, or any color you desire.
Ingredients in food dye can be damaging to a hummingbirds liver, thus can cause illness or something worse.
Hummingbirds can be seen feeding off all colorful nectar filled wild flowers in nature, with red being the most popular - thus hummingbird feeders do not need to be red, with blue or many other vibrant colors sure to attract hummers.
Hummingbirds do like blue feeders
What hummingbirds are attracted to is nectar filled flowers in the color of red more often than not - with purple, yellow and blue made available to them.
Hummingbirds are not going to waste a free meal by avoiding a blue hummingbird feeder, thus hummers do like a blue feeder if it follows strict rules in hygiene, whilst being safely hung up in the yard.
Why hummingbirds like blue feeders is because they are attracted to these colors, while the feeder itself is only associated as being filled with sugar water.
Hummingbirds can be drawn to a clear feeder so a blue one isn't going to be an issue.
Hummingbird feeders inherit a distinctive design in up to three to four styles - thus hummers know this particular feeder has what they need.
While sight is important hummingbirds will begin to feed as soon as they can sense there's sweet sugary water secured inside the feeder.
Hummingbirds really do like blue feeders even if its a rare color for an hummingbird feeder to be produced in.
Hummers visit BLUE flowers in wild
While rarer than other colorful flowers in the wild, blue flowers hummingbirds feed off can be among the flowers they feed on.
Take the flower known as the Lupine, it can be blue only or may have a purple tinge so is closely linked to what would be a blue hummingbird feeder.
And while this is probably the only blue nectar flower hummingbirds will feed off, let's not forget there's many more flowers in a similar color. Of the two or more purple flowers available for hummingbirds, it can appear blue in nature.
Of course hummingbirds are not going to avoid feeding on a blue flower, when they are commonly seen to feed on a purple variety.
Blue hummingbird feeders will be associated as a place for hummers to feed, thus you'd have no difficulty getting hummingbirds to feed off a blue, purple, orange and especially a red feeder body.
Hummers can be more attracted to red hummingbird feeders as its a more common sight in yards; thus hummers tend to be more used to devices they see most - while other hummers converge on the feeder if other birds are seen to use it.
Colorful feeders all attractive
Colorful nectar filled flowers growing in the wild are what hummingbirds all over North America feed on, which is why hummingbird feeders are colorful.
Color does attract hummingbirds to feeders, so a more neutral tone, or made to blend in with its environment feeder, an unlikely one for hummingbirds to notice.
Blue hummingbird feeders are classified as colorful, thus hummers will be attracted to it.
How much color is seen is usually a fully blue, red or green feeder with glass or plastic bottle included - whereas a clear bottle to store sugar water can be fine - providing the blue or other colors are made up on the body.
What else can draw the attention of hungry hummingbirds is the often contrasting yellow color used to make the port wells.
While a blue hummingbird feeder covered partially or fully in blue does work, bright yellow imitation flower heads can stand out at a distance.
Of course hummingbirds understand these flowers with holes in them is where they poke this long narrow beak in to feed.
NO blue dye nectar
I believe color of bird feeders does matter for all species, as the bright colors can grab their attention, thus can lead to all birds using the bird feeder.
No difference with the use of blue feeders either, as its categorized as a bright, vibrant color, it can get the attention of hummingbirds - and in many respects attract other birds who feed off hummingbird feeders.
I only say all this because I hope you only rely on the blue hummingbird feeder only, as any food coloring - be it in red or blue dye - can be bad for hummingbirds in the long run, as ingredients used can show side effects soon after feeding.
Rely entirely on a blue feeder even if you believe its not attracting hummers to it.
Hummingbirds may not come to a blue feeder for many reasons, with one of them never being what color it is or is not.
Food coloring wouldn't make sense to add to a tinted nectar filled storage bottle as the blue tint is what makes up the color theme, rather than the feeder body.
Often people believe a clear plastic or glass bottle with clear sugar water is not enough, when in fact its all you need with no color at all. Blue hummingbird feeders may just be the body, perches or port wells - and that is precisely all you need.
Conclusion
I can assure you there's not much else that can attract hummingbirds to a bird feeder than the color blue, as it imitates rare blue in color nectar filled flowers in the wild.
Hummingbird feeders are commonly made in red, followed by green and never blue.
With blue it is a rare color for a bird feeders to be made in, but what it sure to attract hummers rather than deter them.
Full blue hummingbird feeders will work with a color blue body, blue bottle to store nectar and any accessories in the color blue.
If you wish to turn the homemade nectar blue in a clear plastic or glass bottle, then I highly advice against such practice. Rely on how the feeder is finished in blue only, while leaving the clear nectar as is.
Hummingbirds are attracted to all hummingbird feeder color themes, thus a blue one can be just as successful as their favorite red.
Red hummingbird feeders is what hummers associate a feeder to be made in, though how they are made in a similar style will let hummingbirds know its still a bird feeder filled up with sweet nectar.
And what they can't see hummingbirds will simply sense that there is their much needed nectar accessible via the port wells.
Hummingbirds do like blue feeders as it imitates their more rare blue nectar flowers in the wild.