An official website of the United States government
Here’s how you know
Official websites use .gov A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
The Texas Longhorn can trace its ancestry through the black fighting bulls of Spain--decendants of the cattle driven into that country by the Moors--to the extinct aurochs, forebearers of all European cattle.