There is currently no English patch for Bluebird's Illusion. However, a small translation group called Bluebird's Illusion: Rebuild has been working to localize it for some time. See related links for more external information.
It's impossible on the English Wikipedia, but it may be possible on other Wikipedias with much smaller readerships. It usually takes several months to become an admin on the English Wikipedia.
Sometimes bluebirds face competition with other birds over nesting sites. Another problem bluebirds have is a lack of natural habitat. In areas that are more developed there are less natural cavities for them to nest in.
There are actually three bluebirds - Western, Eastern and Mountain. The Mountain bluebird looks quite a bit different than the other two.
No, they will pick them out of lawns and other short grass areas.
Bluebirds are larger than other birds such as sparrows and finches. They are smaller than most woodpeckers, robins, blackbirds, owls, and hawks. So they are more medium sized.
Illusion, trickery, hypnosis.
Choinka in English means Christmas tree. The word choinka is Polish. There is no other definition of the word choinka other than Christmas tree. One might want to check with Wikipedia.
The only positive effect is that they attract other birds. However, they also kill other birds such as bluebirds.
Yes, bluebirds have predators. Foxes, cats, and raccoon may eat the eggs or live young out of the nest. Other birds such as sparrows compete with bluebirds for nesting places. Sparrows often break eggs and kill babies.
Adults might be taken by snakes, falcons, cats, or other predators. Eggs could be eaten by birds such as jays and crows, snakes, raccoons, or skunks. Bluebirds have difficulty nesting where other more aggressive birds build nests. Exotics such as the European starling occupy nesting sites that bluebirds prefer. Bluebird habitat is orchard-type habitat, and humans have caused pressure on bluebirds by converting this type of habitat into other uses.
Bluebirds sing to attract mates and warn other bluebirds not to enter their territory.
Yes, they eat small worms.