Color Key to North American Birds, by Frank M. Chapman, 2011
Ardeidae – Herons, Bitterns, Egrets Family
the stork, the heron of any kind, the hoopoe, and the bat. (Leviticus 11:19 ESV)
All things were made through Him, and without Him nothing was made that was made. (John 1:3 NKJV)
192. Great White Heron (Ardea occidentalis). Ads. White, no “aigrette” plumes. A white Heron about the size of a Great Blue Heron. What is supposed to be a gray-blue phase of this bird has been called, a bird which resembles No. 194, but has the head and neck whitish.Range.—Southern Florida, Cuba and Jamaica.
196. American Egret (Herodias egretta). L. 41. Ads. White, about 50 straight “aigrette” plumes grow from the back between the wings; legs and feet black. Ads. when not breeding and Yng., the same, but no plumes.Range.—Tropical and temperate America; breeds north to Virginia, southern Illinois, and California; later strays to New Brunswick, Minnesota, and Oregon; winters from southern California and Gulf States southward.
197. Snowy Heron (Egretta candidissima). L. 24. Ads. White, about 50 recurved “aigrette” plumes grow from back between the wings; legs black, feet yellow. Ads. when not breeding and Yng. The same, but no plumes.Range.—Tropical and temperate America; bred formerly north to Long Island, southern Illinois and California; now very rare in eastern North America; winters from Gulf States and southern California southward.
194. Great Blue Heron (Ardea herodias). L. 45; W. 18.5; B. 5.5; Tar. 7. Ads. Center of crown white, head crested; legs blackish. Yng. Similar, but no crest, crown wholly black, plumage more streaked.Range—Northern South America north to Arctic regions; breeds locally throughout most of North America range; winters from about latitude 42° southward.
194a. Northwest Coast Heron (A. h. fannini). Similar to No. 194 but much darker; upperparts bluish slate black; tarsus shorter, 5.3.Range.—Pacific coast from Vancouver to Sitka.
194b. Ward Heron (A. h. wardi). Similar to No. 194 but whiter below, neck darker; legs olive; larger, L. 52; W. 20; B. 6.5; Tar. 8.Range.—Florida; coast of Texas.
202. Black-crowned Night Heron (Nycticorax nycticorax nævius). L. 24. Ads. Crown and back greenish black lower back, wings and tail ashy; head with two or three rounded white plumes, except just after breeding season. Yng. Grayish brown streaked with white; below white streaked with blackish; outer webs of primaries, pale rufous. Notes. An explosiveqûawk.Range.—Western hemisphere; breeds in North America north to New Brunswick, Quebec, Manitoba, and Oregon; winters from California and Gulf States southward.
203. Yellow-crowned Night Heron (Nyctanassa violaceus). L. 23. Ads. Blue-gray; crown and ear-coverts whitish, rest of head black; scapulars streaked with black; head with two or three rounded, white plumes, except just after nesting season.Yng. Crown black, streaked with whitish; primaries bluish slate, no rufous; back brownish streaked with white; below whitish streaked with blackish.
Range.—Tropical and subtropical America; breeds north to South Carolina, southern Illinois, and Lower California; strays to Massachusetts and Colorado; winters from Gulf States southward.
198. Reddish Egret (Dichromanassa rufescens). L. 29. Two color phases independent of age. Ads. Dark phase, Head and neck rufous; back slate; about 30 “aigrette” plumes. White phase. White, including plumes; tips of primaries sometimes speckled with gray. Yng. Rufous and gray, or white, without plumes.Range.—West Indies and Central America north to coasts of Gulf States, Illinois (rarely), and Lower California.
199. Louisiana Heron (Hydranassa tricolor ruficollis). L. 26. Ads. “Aigrette” plumes, short, dirty gray; rump and belly white; legs blackish. Yng. Head and neck brownish; throat and line down foreneck white; above slaty washed with brownish, rump, and belly white.Range.—West Indies and Central America north to Gulf States, casually to Long Island and Indiana.
200. Little Blue Heron (Florida cœrulea). L. 22. Ads. Head and neck maroon; rest of plumage slaty blue. Yng. White, tips of primaries bluish, legs greenish yellow.Range.—Tropical America and eastern United States; breeds north to Virginia and Illinois, later may stray north as far as Nova Scotia; winters from South Atlantic and Gulf States southward.
201. Little Green Heron (Butorides virescens). L. 17. Smallest of our Herons. Ads. Crown, glossy green-black; throat and line down foreneck buffy; rest of head and neck purplish chestnut; back green washed with bluish gray. Yng. Neck and below streaked with blackish; back-feathers not lengthened; duller. Notes. A rattling oc-oc-oc-oc-oc, a startling scow, and, more rarely, a deep, hollow groan. (Brewster.)Range.—Tropical and temperate North America; breeds from Gulf States north to Nova Scotia and Manitoba; winters from Gulf States southward to northern South America.
201a. Frazar Green Heron (B. v. frazari). Similar to No. 201, but rather larger and darker, neck more purplish, light stripings on throat and foreneck more restricted. (Brewster.)
201b. Anthony Green Heron (B. v. anthonyi). Similar to No. 201, but slightly larger, and paler, light markings of wings, neck, and throat less restricted and whiter. (Mearns.)
Range.—Arid portions of southwestern United States, south into Mexico.