Great Blue Heron

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“Ardea herodias. Great Blue Heron. Of large size, and varied dark colors, not dichromatic. Back without peculiar plumes at any season, but scapulars lengthened and lanceolate; an occipital crest, two deciduous feathers of which in the breeding season are long and filamentous; long loose feathers on the lower neck. Adult: Bill yellow, more or less blackened on culmen; lores blue; iris chrome yellow; legs and feet blackish, the soles yellowish. Tibia the edge of wing chestnut-brown. Forehead and middle of crown white; sides of of crown and occipital crest black. Neck pale purplish-gray, with a mixed white, black, and rust throat-line, yielding to white on chin and cheeks. Plumes of lower neck, the breast, and belly, black, more or less interrupted with white streaks on the middle line; crissum white. Upper parts in general slaty-blue; tail the same; long scapular feathers more pearly-gray; wing-quills deepening from this color to the black primaries.” Elliot Coues, 1884


Birds: H-I


Elliot Coues Key to North American Birds (Boston, MA: Estes and Lauriat, 1884)


TIFF (full resolution)

1613×2400, 1.5 MiB

Large GIF

688×1024, 218.1 KiB

Medium GIF

430×640, 91.9 KiB

Small GIF

215×320, 25.5 KiB