Eastern Bluebird – Song | Facts | Habitat | Migration | Diet

Eastern Bluebird

The eastern bluebird, scientific name Sialia sialis is a small North American migratory thrush present in open woodlands, farmlands, and orchards. In this article, I am going to talk about the Eastern Bluebird song, facts, house, habitat, migration, female, diet.

Eastern Bluebird profile

The bright-blue breeding plumage of the male, simply noticed on a wire or open perch, makes this species a favorite of birders. The male’s name contains typically gentle warbles of jeew or chir-wi, or the melodious track chiti WEEW wewidoo. It is the state bird of Missouri and New York.

Most of the nation drives throughout an eastern North American summer season will flip up a couple of Eastern Bluebirds sitting on telephone wires or perched atop a nest field, calling out in a brief, wavering voice or abruptly dropping to the bottom after an insect.

Marvelous birds to seize in your binoculars, male Eastern Bluebirds are an excellent royal blue on the back and head, and heat red-brown on the breast. Blue tinges within the wings and tail give the grayer females a sublime look.


Eastern bluebirds measure 16–21 cm (6.3–8.Three in) long, span 25–32 cm (9.8–12.6 in) throughout the wings, and weigh 27–34 g (0.95–1.20 oz).

Male bluebirds have a shiny head, back, and wings. Their breast is a brownish-red. Females are lighter with grey on the head and back and a few blues on their wings and tail. Their breast is lighter than the males’ and is more orange.

Eastern Bluebird Distribution and habitat

The eastern bluebird is discovered east of the Rockies, southern Canada to the Gulf states, and southeastern Arizona to Nicaragua.

The enhance in bushes all through the Great Plains throughout the previous century resulting from fireplace suppression and tree planting facilitated the western range enlargement of the species. in addition to the range of expansions of many different species of birds.

From 1966-2015 the eastern bluebird skilled a larger than 1.5% annual inhabitants enhance all through most of its breeding and year-round ranges, with exceptions together with southern Florida and the Ohio River valley.

Bluebirds are inclined to stay in open nation round bushes, however with little understory and sparse floor cover.

Original habitats most likely included open, regularly burned pine savannas, beaver ponds, mature however open woods, and forest openings.

Today, they’re most typical alongside pastures, agricultural fields, suburban parks, backyards, and even golf programs.

Populations additionally happen throughout eastern North America and south so far as Nicaragua. Birds that stay farther north and within the west of the range have a tendency to put more eggs than eastern and southern birds.

Behavior and ecology

Eastern bluebirds are social, and can typically collect in flocks of over a hundred. However, they’re territorial throughout the breeding season and should proceed to defend a feeding space all through the winter.

Eastern Bluebird Breeding

Mating happens within the spring and summer. A mature feminine usually raises two broods every season. Nests are constructed in bushes inside deserted woodpecker holes or different cavities that present ample safety (normally a number of ft above floor).

Construction of the nest is completed primarily by the feminine and takes around 10 days to finish. These nests are small, cup-like buildings lined with grass, feathers, stems, and hairs. Each feminine lays three to seven light-blue or, not often, white eggs.

The feminine incubates the eggs, which hatch after 13 to 16 days. The younger can not look after themselves upon hatching. The feminine broods the chicks for as much as seven days after hatching. Fledglings then go away from the nest 15 to 20 days after hatching.

Both dad and mom cooperate in elevating the younger, which they feed a food plan consisting virtually totally of bugs. Some younger keep across the nest to assist increase one other brood.

Fledglings are grayish in coloration, with speckled breasts. The blue coloration turns into a lot more outstanding and the speckles on their breasts disappear as they mature. Bluebirds might start breeding in the summertime after they’re hatched.

Eastern bluebirds can stay for six to 10 years. The longest recorded lifespan for a bluebird is 10 years and 5 months. However, most bluebirds die inside their first year of life.

Starvation and freezing are a hazard to the younger, however, most threats come from different animals, together with people. Natural predators of eggs and nestlings can embrace eastern chipmunks, flying squirrels, American black bears, fireplace ants, and raccoons.

Bluebirds of all ages (together with adults) are threatened by rat snakes, racers, American kestrels, and home cats. Introduced species resembling European starlings and home sparrows are opponents for nesting websites.

Non-nesting adults face predation by all native species of falcons, owls, and most styles of hawks, notably these within the genus Accipiter. When approached by a predator, the male makes a song-like warning cry.

If no male is current, a threatened feminine will start to sing, hoping to draw a protecting male back to the territory. Both men and women additionally flick their wings and warble when predators are close by.

Eastern Bluebird

Eastern Bluebird Food and feeding

About two-thirds of an adult bluebird’s food plan consists of bugs and different invertebrates. The rest is made up of untamed fruits or berries. It has a choice for grasshoppers, crickets, katydids, and beetles; and also will eat earthworms, spiders, millipedes, centipedes, sowbugs, and snails.

Bluebirds feed by perching on an excessive level, resembling a department or fence publish, and swooping right down to catch bugs on or close to the bottom.

The availability of a winter food source will usually determine whether or not or not a bird will migrate. If bluebirds do stay in an area for the winter, the group and search cowl in heavy thickets, orchards, or different areas wherein ample meals and canopy assets are available.

Eastern Bluebird Conservation

Eastern Bluebirds thrived within the 1700s and 1800s. This flourishing is considered related to the exercise of settlers.

Clearing forests made new habitats obtainable for bluebirds and nesting sites had been created within the growing numbers of apple orchards and in wood fence posts that ultimately rotted.

It is believed that bluebirds had been most considerable around 1900.

However, growing competitors with the invasive species of European Starlings and House Sparrows together with lack of farmland started to take a toll on bluebird populations.

Along with these, pesticides and scarcity of meals throughout winter compounded to trigger the variety of bluebirds to fall.

Find The Eastern Bluebird

You can discover Eastern Bluebirds in an open nation with patchy vegetation and huge bushes or nest packing containers. Meadows, old fields, and golf programs are good locations.

Bluebirds usually sit within the open on energy traces or alongside fences, with an alert, vertical posture. When they drop to the bottom after an insect, they make a present of it, with fluttering wings and a reasonably gradual method, adopted by a fast return to the perch.


Eastern bluebirds aren’t the one bluebirds to be seen, and it’s important that birders simply acknowledge the important thing discipline marks that make this species distinct, from its bill to its markings to the distinctive plumage sample of juveniles.

First, the eastern bluebird’s skinny, pointed bill is usually darkish however reveals a paler gape, even in adult birds. Overall, these birds have a basic passerine form with an upright posture and spherical head.

Male eastern bluebirds have a shiny blue head, wings, back, and tail with a rusty red chin, throat, chest, and flanks. The decrease in the belly and under tail coverts are white, and the wingtips might seem darker blue or blue-gray.

Female birds are related, however normally seem paler, dusty, or duller total, with more noticeable grey on the pinnacle and wings. A faint white eye-ring could also be seen on each man and woman.

Juveniles look much like grownup females, however, the eye-ring is more noticeable and so they have grey recognizing on the breast and pale recognizing on the upperparts. This recognizing serves as camouflage for younger birds and wears off because the birds mature.

Eastern bluebirds might be very vocal in flocks. Their calls embrace a fast, mid-tone chatter and a number of other long-dropping pitch calls.

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Eastern Bluebird Facts

  • The male Eastern Bluebird shows at his nest cavity to draw a feminine. He brings nest materials to the opening, goes out and in, and waves his wings whereas perched above it. That is just about his contribution to nest constructing; solely the feminine Eastern Bluebird builds the nest and incubates the eggs.
  • Eastern Bluebirds usually have more than one profitable brood per year. Young produced in early nests normally go away their dad and mom in summer, however younger from later nests regularly stick with their parents over the winter.
  • Eastern Bluebirds happen throughout eastern North America and south so far as Nicaragua. Birds that stay farther north and within the west of the range have a tendency to put more eggs than eastern and southern birds.
  • Eastern Bluebirds eat mostly bugs, wild fruit, and berries. Occasionally, Eastern Bluebirds have also been noticed capturing and consuming bigger prey gadgets resembling shrews, salamanders, snakes, lizards, and tree frogs.
  • The oldest recorded Eastern Bluebird was at the very least 10 years, 6 months old. It had been banned in New York in May 1989 and was discovered useless in South Carolina in November 1999. Learn more about the Hyacinth Macaw.

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