Ivory-billed
Woodpecker
|
Pileated Woodpecker |
Ivory-billed Woodpeckers
Chester A. Reed
Ivory-billed Woodpeckers are 19 to 21 inches long.
Wings 9.75 to 10.75 inches. Generally glossy blue-black, tail and primaries
duller black or less distinct bluish gloss |
Pileated Woodpeckers
R. Bruce Horsfall
Pileated Woodpeckers are 16 to 19 inches long. Wings 9
to 10 inches. Generally dull black, slaty, or brownish-black with a black
tail
|
| Ivory-billed Woodpecker
Rex Brasher
White stripe commencing beneath the eye, recessed from from
base of bill extending back along side of the head, down side of neck,
turning over the shoulder and narrowing to a point. |
Pileated Woodpeckers
F.C. Hennessey
Black stripe between two white stripes on side of head.
Upper narrow arched white stripe extends back from the eye. Lower white
stripe from nostrils extending several inches along side of the head and
widening down the side of the neck and breast. A third lower white patch
wraps under the chin and merges with opposite side. |
| Ivory-billed Woodpeckers
Gustav Mutzel
White ends of secondaries, inner primaries, scapulars under
wing-coverts, and sometimes on the tips of a few feathers on flanks and rump |
Pileated Woodpeckers
Louis Agassiz Fuertes
White wing linings, at base of wing quills and basal half of
inner wing feather webs. Primaries are sometimes white tipped. Skirted
flank and belly feathers |
|
Ivory-billed Woodpecker
Charles R. Knight
|
Pileated Woodpecker
Ernest Seton Thompson
|
| Ivory-billed Woodpeckers, Unknown Artist
Birds of the US and Canada
Thomas Nuttall, 1916
Probably originally from a USDA Bulletin
The Ivory-billed Woodpecker lifespan can be up to 15 years,
rarely longer. |
Pileated Woodpecker, John L Ridgway
Birds of Michigan, 1912,
Originally from a USDA Biological Survey
The Pileated Woodpecker lifespan can be 10 years or more. |
Ivory-billed Woodpecker, John L. Ridgway
The male Ivory-billed Woodpecker has a long scarlet-red crest with black
front. The Female crest is wholly glossy blue-black.
Clear lemon-yellow iris |
Pileated Woodpecker, Rex Brasher
The male Pileated Woodpecker has a bright scarlet-red whole
crest and cheek patch at the base of the mandible. The female has a
bright scarlet-red crest with black front.
Yellow, or brownish yellow iris. |
|
Ivory-billed Woodpeckers
Female above, Male below
Henry W. Elliot & Robert Ridgway
White, or ivory-white mandible, 2.5 - 2.75 inches
White nasal plumes. |
Pileated Woodpeckers
Female above, Male below
Henry W. Elliot & Robert Ridgway
Blackish, bluish or dark horn colored upper mandible; lower
mandible paler. 1.5 to 2 inches
Grayish upper nasal plumes edged with blackish bristle like
feathers adjacent to forehead. Dull pale-yellowish on lower part of nasal
tufts extending back of nostrils, more so on the female |
| Ivory-billed Woodpecker Feet
Louis Agassiz Fuertes
Key to North American Birds
Elliott Coues, 1903
Light grayish-blue legs and feet. Horn-gray or pale-horn
claws.

Ivory Bills Live! Poster |
Pileated Woodpecker Feet
Key to North American Birds
Elliott Coues, 1903
Blackish-plumbeous feet. Black claws
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