Marie Read / American Robin (Turdus migratorius), feeding on winterberry (Ilex) fruits in winter, New York, USA, December.

Marie Read / Male American robin (Turdus migratorius) feeding on Winterberry (Ilex sp) New York, USA, January

David Kjaer / Male American robin (Turdus migratorius) puffed up to keep warm, and perched on Juniper branch, Kentucky, USA

Thomas Lazar / American robin on nest with chicks {Turdus migratorius} Wisconsin, USA

Donald M. Jones / American Robin (Turdus migratorius), western Montana

Donald M. Jones / American Robin (Turdus migratorius) bathing, western Montana

Donald M. Jones / American Robin (Turdus migratorius) juvenile, western Montana

Donald M. Jones / American Robin (Turdus migratorius) male, Troy, Montana

Donald M. Jones / American Robin (Turdus migratorius) male, Troy, Montana

Sumio Harada / American Robin (Turdus migratorius) newly-hatched day old chicks begging in nest with unhatched blue egg, Glacier National Park, Montana

Michael Quinton / American Robin (Turdus migratorius) parent feeds grasshopper to chicks in nest cavity at top of a snag, summer, Idaho

Marie Read / American robin (Turdus migratorius) male on snow-covered ground, Ithaca, New York, USA, April.

John Cancalosi / Corn snake (Pantherophis guttatus) eating an American robin (Turdus migratorius). The snake is captive, the robin was found dead and offered to snake, Maryland, USA.

John Cancalosi / Corn snake (Pantherophis guttatus) eating an American robin (Turdus migratorius). The snake is captive, the robin was found dead and offered to snake, Maryland, USA.

John Cancalosi / Corn snake (Pantherophis guttatus) eating an American robin (Turdus migratorius). The snake is captive, the robin was found dead and offered to snake, Maryland, USA.

John Cancalosi / Corn snake (Pantherophis guttatus) eating an American robin (Turdus migratorius). The snake is captive, the robin was found dead and offered to snake, Maryland, USA.

John Cancalosi / Corn snake (Pantherophis guttatus) eating an American robin (Turdus migratorius). The snake is captive, the robin was found dead and offered to snake, Maryland, USA.

John Cancalosi / Corn snake (Pantherophis guttatus) eating an American robin (Turdus migratorius). The snake is captive, the robin was found dead and offered to snake, Maryland, USA.

John Cancalosi / Corn snake (Pantherophis guttatus) eating an American robin (Turdus migratorius). The snake is captive, the robin was found dead and offered to snake, Maryland, USA.

Karine Aigner / Portrait of a American robin, (Turdus migratorius) male with white background, Block island, Rhode Island, USA. Bird caught during scientific research.

Phil Savoie / American robin (Turdus migratorius) hunting worms, Bozeman, Montana, USA. April.

Phil Savoie / American robin (Turdus migratorius) hunting worms, Bozeman, Montana, USA. April.

Phil Savoie / American robin (Turdus migratorius) perched. Bozeman, Montana, USA. April

Phil Savoie / American robin (Turdus migratorius) hunting worms, Bozeman, Montana, USA. April

Phil Savoie / American robin (Turdus migratorius) with earthworm prey for chicks, Bozeman, Montana, USA, July.

Phil Savoie / American robin (Turdus migratorius) with earthworm prey for chicks, Bozeman, Montana, USA, July.

Phil Savoie / American robin (Turdus migratorius) bathing in river, Madison River, Montana, USA. May.

Phil Savoie / American robin (Turdus migratorius) feeding on earthworm, Bozeman, Montana, USA. May.

Claudio Contreras / American robin (Turdus migratorius), Milpa Alta Forest, Mexico, February

Marie Read / American robin (Turdus migratorius) feeding on Winterberry holly (Ilex sp) berries, New York, USA, November.

David Tipling / American robin (Turdus migratorius) male bathing in puddle, Nebraska, USA, April.

Visuals Unlimited / American Robin (Turdus migratorius) female on a fence post, North America.

Visuals Unlimited / American Robin (Turdus migratorius) male with food in its bill for young, USA

Loic Poidevin / American robin (Turdus migratorius) Canada, May

David Kjaer / Male American robin (Turdus migratorius) perched on branch, Kentucky USA

David Kjaer / American robin (Turdus migratorius) perching on pine branch, Kentucky USA

David Kjaer / Portrait of American robin (Turdus migratorius) perched on fencing, Kentucky USA

David Kjaer / Male American robin (Turdus migratorius) feeding on Juniper berries, Kentucky USA

David Kjaer / American robin (Turdus migratorius) feeding on Juniper berries, Kentucky USA

Marie Read / American Robin (Turdus migratorius), feeding on winterberry (Ilex verticillata) berries in winter, New York, USA

George Sanker / American robin (Turdus migratorius) eggs in nest, Daniel Webster Audubon Sanctuary, Marshfield, Massachusetts, USA, Spring

Gerrit Vyn / Adult male American Robin (Turdus migratorius) perched on a branch, Tompkins County, New York, USA, May.

Michael Hutchinson / American Robin (Turdus migratorius), in crab apple tree (Malus sp), Pennsylvania, USA, November

Michael Hutchinson / American Robin (Turdus migratorius), feeding on red fruit of crab apple (Malus sp) Pennsylvania, USA, November

Michael Hutchinson / American Robin (Turdus migratorius), in colourful crab apple tree (Malus sp), Pennsylvania, USA, November

Michael Hutchinson / American Robin (Turdus migratorius), in crab apple tree (Malus sp), Pennsylvania, USA, November

John Cancalosi / American robin (Turdus migratorius) portrait, New York, USA