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Bird Guide › Black-billed Magpie

How to Identify aBlack-billed Magpie

Pica hudsonia · 17.7–23.6 in (45–60 cm)

Male vs. female

Male

Male Black-billed Magpie

Black head, breast and back with white belly and shoulder patches, and a very long iridescent green-blue tail. Sexes look alike.

Female

Black-billed Magpie

Identical to the male in the field, though slightly smaller.

Male photo: Polinova / Wikimedia, CC BY-SA 4.0 · Second photo: Alan D. Wilson / Wikimedia, CC BY-SA 3.0

Quick ID
An unmistakable long-tailed black-and-white bird of the western plains, with iridescent green in wings and tail.

Field marks

Similar species

American Crow — All black with a short square tail and no white anywhere.
Yellow-billed Magpie — Nearly identical but with a yellow bill and bare yellow skin around the eye; found only in central California.

What it sounds like

A harsh rising "mag? mag? mag?" and a variety of loud rasping chatters.

Behaviour that gives it away

Builds a huge domed stick nest with a roof and side entrance, and pairs often gather noisily around carcasses and roadkill.

Habitat & range

Open country, sagebrush, streamside thickets, ranchland and towns across the western interior.

When you'll see it

Present all year in western, northern and central North America.

What it eats

Insects, carrion, small mammals, eggs, grain and fruit.

Did you know?

Its bulky domed nest takes over a month to build and is often reused for years by other species after the magpies move on.

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