In winter, if environmental factors are unfavorable, the Pacific pocket mouse may hibernate underground until spring brings better conditions. But if adequate food supplies are available, the mouse ...

The tiny Pacific pocket mouse, named Pat after Patrick Stewart, weighs about the same as three pennies and is part of a San Diego-based conservation breeding program for the endangered species Anna ...

A tiny California mouse now has a big title after winning a Guinness World record for longevity. A Pacific pocket mouse named Pat — after "Star Trek" actor Patrick Stewart — received the Guinness ...

Biologists have reported the existence of a new species of spiny pocket mouse, from Venezuela, Heteromys catopterius. Dr. Robert P. Anderson, Associate Professor of Biology at The City College of New ...

A tiny, furry brown creature that may be the world’s smallest rodent — the Pacific pocket mouse — could change the fate of a multimillion-dollar sewage-treatment plant to be built near the ...

A local species of mouse once thought to have been completely wiped out by human encroachment and habitat degradation has been reintroduced to a site on Camp Pendleton. The release is part of a joint ...

ESCONDIDO — It’s official. The world’s oldest mouse in human care is a tiny critter living at the San Diego Zoo Safari Park. Guinness World Records adjudicator Michael Empric came from New York to the ...

After facing extinction for nearly two decades, the Pacific pocket mouse may now have a fighting chance. A four-year-old program at the San Diego Zoo Safari Park near Escondido is preparing to ...