[yefragetuwrabrumuy]

This is likely because west of the Mississippi, many of the donkeys are descended from burros. Mexico has about 3 million, and the semi-wild but friendly burros are a major tourist attraction in the town of Oatman, Arizona.

Here is a website loaded with trivia, mostly entertaining, but gives a better description of things.

http://tbnranch.com/2012/01/13/donkey-ass-burro-mule-hinny-what-they-all-mean/

[married21]

Thanks!