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The Science File | IN BRIEF

Pika Rodent Numbers Decreasing in the West

December 25, 2004|From Times Staff and Wire Reports

Populations of the American pika, a hamster-like rodent unable to survive in warm climates, continue to decline in the West, apparently due in part to global warming, researchers said.

Local populations of pikas are extinct at more than one-third of 25 sites surveyed since the mid-1990s in the Great Basin region, according to the study conducted by a researcher for the U.S. Geological Survey.

For The Record
Los Angeles Times Saturday January 08, 2005 Home Edition Main News Part A Page 2 National Desk 1 inches; 42 words Type of Material: Correction
Pika population -- A brief article Dec. 25 in Section A about the declining population of pikas in the West referred to the animal as a hamster-like rodent. The pika is a lagomorph, a family of mammals that includes rabbits and hares.

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