American Robin

About

The American Robin is a migratory songbird of the thrush family, Turdidae. It is one of the most widespread and familiar birds in North America, known for its distinctive brick-red breast and melodious song. Often seen foraging on lawns, it is a harbinger of spring for many.

Size & lifespan

Length

20-28 cm (8-11 in)

Wingspan

31-41 cm (12-16 in)

Weight

72-94 g (2.5-3.3 oz)

Lifespan

Average 2 years in the wild, up to 14 years recorded

Diet

Omnivore, primarily insects (especially earthworms) and fruits

Physical characteristics

Plumage

Adults have a dark gray to black head, back, and wings, with a prominent brick-red to rufous-orange breast and belly. The lower belly and undertail coverts are white. There is a broken white eye-ring and white streaking on the throat. The bill is yellow with a dark tip, especially in males during breeding season.

Beak shape

Medium-sized, straight, and pointed; yellow with a dark tip, becoming entirely yellow in breeding males.

Eye color

Dark brown

Leg color

Dark gray to black

Distinguishing features

Brick-red breast, dark head and back, white lower belly, and a distinctive white eye-ring. Its upright posture and hopping gait on lawns are also characteristic.

Juvenile appearance

Juveniles have a spotted breast (dark spots on a pale background) and pale streaking on the back and wings, which gradually fades as they mature into their first basic plumage. They also have a less distinct eye-ring.

Seasonal changes

Plumage remains largely consistent year-round, though colors may appear slightly duller due to feather wear by late summer. Breeding males exhibit the most vibrant coloration.

Sexual dimorphism

Males are typically slightly larger and have more vibrant, darker plumage, particularly a darker head and a richer, more intense red breast. Females are duller overall, with a paler head and a less vivid orange-red breast.

How to identify

1. 1

   Plumage Coloration

   Look for the dark gray/black head and back contrasting with the bright brick-red breast and white lower belly. The white eye-ring is a key field mark.

2. 2

   Behavior and Posture

   Observe its characteristic stop-and-go foraging on lawns, often cocking its head to listen for earthworms. It typically stands upright.

3. 3

   Song and Calls

   Listen for its distinctive, cheerful, caroling song, especially at dawn. Its sharp 'peek' alarm call is also very recognizable.

4. 4

   Bill Color

   Note the yellow bill with a dark tip, which can become entirely yellow in breeding males.

Habitat & range

Biomes

Forests, woodlands, suburban and urban areas, parks, gardens, agricultural lands, open fields with scattered trees.

Geographic range

Breeds across most of North America, from Alaska and Canada south through the United States and into central Mexico. Winters from southern Canada and the northern United States south to Florida, the Gulf Coast, Mexico, and Central America.

Elevation range

Sea level up to 3,000 meters (10,000 feet) in mountainous regions.

Preferred environments

Highly adaptable, preferring areas with a mix of open ground for foraging (lawns, fields) and trees/shrubs for nesting and roosting. Common in human-modified landscapes.

Behavior

Activity time

Diurnal, most active during early morning and late afternoon.

Feeding habits

Forages primarily on the ground, often running a few steps and then stopping abruptly to listen and look for prey. Earthworms are a staple, but they also consume a wide variety of insects (beetles, grubs, caterpillars) and fruits (berries, cherries, sumac). They will also visit bird feeders for fruit or suet.

Social behavior

During the breeding season, they are territorial and typically seen in pairs. Outside of breeding, especially in winter, they can form large flocks, sometimes numbering in the thousands, roosting together and foraging for fruit.

Flight pattern

Strong, direct, and slightly undulating flight. Often flies relatively low between trees or across open spaces.

Migration pattern

Most populations are migratory, moving south from northern breeding grounds to warmer wintering areas. However, some southern populations are resident year-round. Migration occurs in large flocks, often at night.

Territoriality

Males establish and defend breeding territories through song and aggressive displays. Females also participate in nest defense.

Breeding & reproduction

Breeding season

Typically April to July, with two to three broods per season in many areas.

Nesting habits

Nests are usually built in trees, shrubs, or on ledges of buildings, typically 1.5-4.5 meters (5-15 feet) above the ground. The nest is a sturdy cup made of grass, twigs, and mud, lined with fine grasses and sometimes hair. The female primarily builds the nest.

Clutch size

3-5 eggs, most commonly 4.

Egg description

Eggs are a distinctive 'robin's-egg blue' (a bright, unspotted blue), sometimes with a faint greenish tint. They are oval-shaped.

Incubation period

12-14 days, primarily by the female.

Fledging period

13-16 days after hatching. Young leave the nest before they can fly well.

Parental care

Both parents feed the nestlings and fledglings. The male often takes over feeding the first brood's fledglings while the female begins building a new nest for the next clutch.

Where to find

Field tips

1. Look on Lawns. Robins are frequently seen foraging for earthworms on open grassy areas, especially after rain or in the early morning.
2. Listen for Song. Their loud, caroling song is a reliable way to locate them, particularly at dawn and dusk during spring and summer.
3. Check Fruit Trees and Shrubs. In late summer and fall, they gather in groups to feed on berries and other fruits.
4. Observe Roosts. In winter, look for large communal roosts in dense evergreens or other sheltered areas, often numbering in the hundreds or thousands.

Similar species

Quick facts

Iconic Status:

Often considered a symbol of spring in North America.

Dietary Flexibility:

Switches from primarily insects in summer to fruits in winter.

State Bird:

State bird of Connecticut, Michigan, and Wisconsin.

Nesting Material:

Uses mud to reinforce its cup-shaped nest.

Fun facts

• Despite its common name, the American Robin is not closely related to the European Robin (Erithacus rubecula), which is a much smaller Old World flycatcher. The American Robin was named for its similar reddish breast.
• American Robins are one of the earliest birds to sing in the morning and one of the last to stop singing in the evening, contributing significantly to the 'dawn chorus'.
• They have excellent hearing and vision, which they use to detect earthworms moving underground or insects on the surface.
• During winter, American Robins can form massive flocks, sometimes exceeding 100,000 individuals, especially in areas with abundant fruit.
• Robins are known to 'mud-bathe' by rolling in wet soil, which helps to remove parasites and clean their feathers.

Scientific classification

Kingdom

Animalia

Phylum

Chordata

Class

Aves

Order

Passeriformes

Family

Turdidae

Genus

Turdus

Species

Turdus migratorius

Explore the American Robin