American Robin

Identification

At 23–28 cm the American Robin is a substantial, upright thrush and unmistakable once seen well: warm grey-brown upperparts, a brick-orange breast and belly, a blackish head broken by white crescents above and below the eye, and a bright yellow bill. The lower belly and undertail coverts stay white, and white outer tail corners flash in flight. Females are paler and greyer overall and first-winter birds are heavily spotted below, but the orange wash across the chest sets every plumage apart from other North American thrushes.

Robins hunt with a trademark run-pause-listen routine, tilting the head to catch the movement of earthworms just under the turf, then tugging them free; in autumn and winter they switch almost entirely to fruit, and a flock stripping a hawthorn or rowan can look briefly unsteady after feeding on fermented berries. They nest early, from March in the south, building a mud-lined cup of grass on a branch, ledge or light fitting, and raise two or three broods. Both sexes sing, most vigorously at first light before feeding begins.

The easiest place to find one is a mown lawn or playing field at dawn or right after rain, when worms come near the surface — watch for a bird standing motionless, head cocked, before the quick downward stab. In winter, scan berry-bearing trees in parks, and check communal night roosts, which can gather hundreds of birds.

Behaviour and daily routine

Robins are ground feeders with a routine that is easy to recognise once seen: a few quick runs, a sudden stop, then the head tilted to one side as the bird listens for worms moving under the turf. The tilt is not curiosity. A thrush has its eyes set on the sides of the head, and tilting brings both of them to bear on the ground in front of the bill.

Autumn and winter change the diet almost completely. Flocks move onto fruit, stripping hawthorn, rowan, holly and juniper, and birds that have fed on fermented berries can look unsteady and fly clumsily for a while. At night, winter robins gather at communal roosts that may hold hundreds of birds, often in dense evergreens or under the eaves of a building.

Voice and calls

The song is a clear, caroling series of short phrases, usually written as cheerily, cheer up, cheer up, cheerily, cheer up, delivered from a high perch at first light and again at dusk. Both sexes sing, and the dawn chorus is at its most intense before feeding begins.

The calls have a different character altogether: a sharp tut-tut-tut that warns of a cat or a hawk, a high thin seeee whistle of alarm, and a whinny - a rapid, tumbling series of notes given in flight or when a bird is agitated. Following the tut-tut-tut is often the fastest way to find whatever has just emptied a lawn.

Confusion risks

Adults are hard to mistake, but the orange breast varies a good deal. Females are duller and greyer with less contrast between head and back, and first-winter birds are heavily spotted below, which can make them look like another species entirely. The white lower belly and white undertail coverts hold in every plumage.

Other North American thrushes are brown above and show dark spots on a pale or buff ground. None of them carries an unbroken orange wash from throat to belly. In flight, the white outer corners of the tail are a useful secondary mark, best seen when a bird crosses a gap or drops to the ground.

Where and when to look

Short, mown grass is the key habitat: lawns, playing fields, golf courses, cemeteries and roadside verges. The best moment is early morning, or any time shortly after rain, when worms come close to the surface. Watch a bird that has stopped moving - the strike comes fast, and the worm is then worked free with short tugs.

In winter, look up instead of down. Robins abandon lawns for berry-bearing trees and shrubs, and a single holly or crab apple can hold a dozen birds at once. Spring arrival in the north is worth tracking, as males appear first and sing from exposed branches, often while snow is still on the ground.

Fieldcraft and conservation notes

Robin nests are often built close to people - on a porch light, a downpipe bracket, a hanging basket or a shelf in a shed - and the birds will tolerate quiet comings and goings. Keep cats indoors in the weeks after hatching, and do not move a nest that holds eggs or young; leaving the site undisturbed for a fortnight is usually all that is needed.

The species is abundant and has expanded northwards over the past century, helped by clearing, farmland, gardens and the earthworms that arrived with European settlement. Garden chemicals remove the insects and worms the birds live on, and a sprayed, manicured lawn is far less useful than a rougher one with leaf litter at the edges.