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Running Time:
00:05:20
Every night at Fort Funston, after all the people and dogs have left for the day, the bats come out to play. Dr. Gary Fellers of the U.S. Geological Survey tells us about bat vocalizations, the audio recordings he uses to monitor their travels, and the various species of bats that frequent this Golden Gate National Park.

Project: Science in the City | Browse All

Date: February 23, 2011
Format: Interview
Category: Everyday Science
Subject(s): biology