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American Kestrel (Falco sparverius)


Photo © Greg Wranic

American Kestrel Nestbox

Photo © NestCams

Kestrel Eggs

Photo © NestCams

Adult male

Photo © Michael Hogan

Adult female

Photo © Ned Harris

Adult male

Photo © Darin Ziegler

Adult female

Photo © Christopher L. Wood

Adult male taking flight

Photo © Ron Kube

Adult male in flight

Photo © Paul Pruitt

Adult female taking flight

Photo © William Jobes

Juvenile

Photo © Ron Kube

Klee-klee-klee call

© Steven R. Pantle

Chatter call

© Gregory F. Budney

Various calls

© Ernest J. Willoughby

When To Look

Source: Birds of North America Online

Where To Find It

Habitats

grassland

open woodland

town

Substrates

Nestbox or Birdhouse

In/On Building

Live Tree Cavity

Dead Tree Cavity

What You'll Find

Nest Type

cavity

Chick

Semialtricial

Clutch Size

3
5

Nest Height

32 ft
9 ft

Nesting Statistics

Incubation Period

28-32
days

Brooding Period

28-32
days

Useful Hints

  • Kestrels add no nesting material to their simple scrape nest within a cavity.
  • Rarely, kestrels will nest in the old nest of another bird species.
  • The male searches for possible nest cavities. When he’s found suitable candidates, he shows them to the female, who makes the final choice.