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Bird Guide › Prairie Falcon

How to Identify aPrairie Falcon

Falco mexicanus · 14.6–18.5 in (37–47 cm)

Male vs. female

Male

Male Prairie Falcon

Sandy-brown above, whitish below with brown spotting, a narrow moustache stripe and dark axillaries under the wing. Sexes look alike.

Female

Prairie Falcon

Identical in pattern but larger.

Male photo: peterwchen / Wikimedia, CC BY 4.0 · Second photo: DickDaniels (http://theworldbirds.org/) / Wikimedia, CC BY-SA 3.0

Quick ID
A pale sandy-brown falcon of dry open country, with dark "armpits" that flash as it flies overhead.

Field marks

Similar species

Peregrine Falcon — Slate-gray above with a heavy black helmet and no dark wingpits.
Merlin — Much smaller and heavily streaked below.

What it sounds like

A loud, harsh, repeated "kik-kik-kik", higher than a Peregrine’s.

Behaviour that gives it away

Hunts by flying fast and very low along the contours of the ground, using terrain to stay hidden until the last moment.

Habitat & range

Prairie, sagebrush, desert and canyon country of the West.

When you'll see it

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

What it eats

Ground squirrels, small birds and lizards.

Did you know?

It hunts by hugging the contours of the land at speed, appearing over a rise directly on top of its prey.

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