> Hey guys, why not use the word 'eyebrow' instead of 'supercillium? It
> has fewer letters and more people know what it means.
>

National Geographic Field Guide to the Birds of North America. Page 10
Quote "Eyebrow (supercilium)" refering to the same point on the bird.

Peterson Field Guides Western Birds. Page 16 Quote "superciliary
(eyebrow)" refering to the same point on the bird.

But hey--what to they know.

Jerry Converse
Grand Coulee, WA