What are bluebirds?

Bluebirds are a group of small, brightly-colored birds belonging to the thrush family, Turdidae. They are found in North and Central America, and were named for their distinctive blue plumage. Bluebirds have long, pointed bills, relatively short wings, and rather long tails. They are sexually dimorphic, meaning males and females differ in their physical characteristics. While both genders are predominantly blue in color, male bluebirds tend to have a deeper, more vibrant blue coloration, while females have a more muted blue shade. Bluebirds are highly territorial and often mate for life, and they are considered secondary cavity nesters, meaning they usually occupy cavities excavated by other birds. These birds are primarily insectivorous, feeding on insects, berries, and fruits, and they are known to be beneficial to the environment due to their role in controlling insect populations. Bluebirds are also beloved songbirds, with males producing melodious and varied songs during the breeding season to attract mates and defend their territory.