They look like small hairless birds.
Since bluebirds are birds, they are born with feathers but they are a special kind called down.
They look for shelter, food, and clean water.
The sharp shinned hawk will take bluebirds. They usually prey on small birds, while their look alike relative, the Cooper's hawk, eats larger species like pigeons, doves, and quail.
Bluebirds spend much of their time foraging for food. When they have babies in the nest, they spend much of their time caring for them.
Bluebirds are generally colored blue.
Bluebirds - like all birds - are vertebrates.
Yes, bluebirds sing.
Sort of. Bluebirds reproduce and have "family" but it isn't like how we have families. The young birds grow up and fly away and later have no contact with their parents.
Most bluebirds have orange chest and whitish bottom and a blue back.
Probably because your home as everything they need to survive and make nests. If you want to get rid you them take down a birdhouse or two as bluebirds like nesting in birdhouse.
No. Bluebirds are diurnal (daytime) foragers.
fairy bluebirds are from asia