Prairie Falcon
male (detail)
Don Eckelberry
1968
The facial pattern
of the Prairie Falcon is less striking than that of
the Peregrine; the mustache is narrow, faint, and
brownish.
Males are above
pale, sandy brown above and creamy, but heavily
spotted below. Females are like males, but their
wing lining is broader and darker. Juveniles are
like adults, but darker with less contrast and more
streaking.
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Peregrine
Falcon male (detail)
Don Eckelberry
1968
The Peregrine
Falcon's distinctive mantle, darker back, and
lighter wing-lining differentiates it from the
Prairie Falcon. Its distinctive facial pattern
includes a black helmet extending from the crown
and nape to a wedge below eye.
Males are slate
gray above and pale below. Females are like the
males, but brownish. Juveniles are like adults, but
dark brownish, with a darker buff, and more
streaking.
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