Eastern Bluebird | Facts, Diet, Habitat & Pictures

Eastern Bluebird | Facts, Diet, Habitat & Pictures

Eastern Bluebird Overview


The Eastern Bluebird is a charming and small songbird with striking features. Its plumage showcases a vibrant blue color on the upperparts, with a rusty-red or orange breast and white belly. Males typically have brighter blue feathers than females.

They have a slender body, short wings, and a distinctive round head. Eastern Bluebirds are known for their captivating and colorful appearance, making them a favorite among bird enthusiasts.

Origins And Evolution

The Eastern Bluebird (Sialia sialis) has a notable evolutionary history within the thrush family, Turdidae. Originating in North America, these birds belong to the genus Sialia, which includes other bluebird species. Over time, they have adapted to various habitats, including open woodlands, fields, and gardens.

Eastern Bluebirds are characterized by their vibrant plumage, particularly the striking blue feathers of males, which have evolved as a sign of health and vigor for mate attraction. Their evolution reflects their role as insectivorous birds and their ability to thrive in landscapes influenced by human activities.

Behavior and Lifestyle

Eastern Bluebirds are social and territorial songbirds known for their delightful behavior. They are often seen perched on wires, fences, or branches, scanning the ground for insects and small invertebrates, which make up a significant part of their diet. These birds are cavity nesters and readily accept man-made nest boxes.

They engage in courtship displays and sing melodious songs, with males often competing for the attention of females. Eastern Bluebirds are also known for their cooperative breeding behavior, with non-breeding individuals sometimes assisting in raising the young.

Scientific Classification

  • Kingdom: Animalia
  • Phylum: Chordata
  • Class: Aves
  • Order: Passeriformes
  • Family: Turdidae
  • Genus: Sialia
  • Species: Sialia sialis


  • Eastern United States
  • Southern Canada
  • Eastern Mexico
  • Cuba
  • Bahamas
  • Bermuda

Fast Facts

  • Name: Eastern Bluebird
  • Scientific Name: Sialia sialis
  • Habitat: Woodlands, Meadows
  • Diet: Insects, Berries
  • Physical Features: Vibrant Plumage
  • Nocturnal: Diurnal
  • Solitary: Often Pairs
  • Unique Order: Passeriformes
  • Lifespan: 6-10 Years
  • Conservation Status: Least Concern
  • Fun Facts: Monogamous Bond, Blue Plumage

Physical Characteristics

  • Color: Vibrant Blue
  • Skin Type: Feathers Cover
  • Top Speed: Swift Flight
  • Lifespan: 6-10 Years
  • Weight: Lightweight Body
  • Length: Small Bird
  • Age of Sexual Maturity: 1 Year
  • Age of Weaning: 17-21 Days

Eastern Bluebird FAQs

Why are they called Eastern Bluebirds?

They are named for their primary range in the eastern part of North America.

Are Eastern Bluebirds found only in the eastern United States?

While they are primarily found in the eastern U.S., they also inhabit southern Canada and parts of Mexico.

Do Eastern Bluebirds migrate for the winter?

Some Eastern Bluebirds migrate south for the winter, while others stay in their breeding territories year-round.

Do they sing?

Yes, Eastern Bluebirds are known for their melodious songs, which they use for territory defense and attracting mates.

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