from The Century Dictionary and Cyclopedia
- n. One of the rollers (Coraciidæ) of the genus Eurystomus, as E. pacificus or australis, of the Australian and Papuan regions: so called from the large round white spot on the wing. See cut under Eu-rystomus.
Sorry, no etymologies found.
The Anula tribe of Northern Australia associate the dollar-bird with rain, and call it the rain-bird.
They explain this procedure by saying that long ago the dollar-bird had as a mate at this spot a snake, who lived in the pool and used to make rain by spitting up into the sky till a rainbow and clouds appeared and rain fell.
Dollar was then an everyday word; it gave a name to the dollar-bird with its whitish patch in the center of each wing suggesting the shape of a silver dollar.
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