• WordNet 3.6
    • n riflebird velvety black Australian bird of paradise with green and purple iridescence on head and tail
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Webster's Revised Unabridged Dictionary
    • n Riflebird (Zoöl) Any one of several species of beautiful birds of Australia and New Guinea, of the genera Ptiloris and Craspidophora, allied to the paradise birds.☞ The largest and best known species is Ptiloris paradisea of Australia. Its general color is rich velvety brown, glossed with lilac; the under parts are varied with rich olive green, and the head, throat, and two middle tail feathers are brilliant metallic green.
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Century Dictionary and Cyclopedia
    • n riflebird An Australian bird of paradise, Ptilorhis paradisea, belonging to the slender-billed section (Epimachinæ) of the family Paradiseidæ: said to have been so named by the early colonists from suggesting by its colors the uniform of the Rifle Brigade. This bird is 11 or 12 inches long, the wing 6, the tail 4 1/2, the bill 2; the male is black, splendidly iridescent with fiery, purplish, violet, steel-blue, and green tints, which change like burnished metal when viewed in different lights; the female is plain brown, varied with buff, white, and black. The rifle-bird inhabits especially New South Wales. There are 3 or 4 other species of Ptilorhis, of other parts of Australia and some of the adjacent islands, of which the best-known is P. magnifica of New Guinea.
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In literature:

One, the Riflebird, is found even down to North-Eastern New South Wales.
"An Australian Bird Book" by John Albert Leach