(as) rare as hens' teeth

Incredibly scarce or rare; extremely difficult or impossible to find. Support for the president is as rare as hens' teeth in this part of the country.

Common Names:

Name	Pronounced	Usage
Hartley	HAHRT-lee	English
Sender	-	Yiddish
Gaius	GAH-yoos (Ancient Roman), GAH-yuws (Ancient Roman), GIE-əs (English)	Ancient Roman, Biblical Latin, Biblical
Siwan	-	Welsh
Cecilija	-	Slovene, Croatian
Ermes	-	Italian