Video

The Story of Rex: The “First Dog” to President Ronald Reagan

Published October 17, 2025

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For animal enthusiasts, it’s fun to become acquainted with the pets owned by U.S. Presidents. One such canine companion won the hearts of our nation–Rex, the Cavalier King Charles Spaniel owned by President Reagan and his wife Nancy. Watch this video to learn all about this member of the First Family who became a pet national treasure.

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A-Z Animals Staff

AZ Animals is a growing team of animals experts, researchers, farmers, conservationists, writers, editors, and -- of course -- pet owners who have come together to help you better understand the animal kingdom and how we interact.