Bats

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Bats Subsonic Sound Waves Echo Location Science Nature Documentary Documentaries

Bats
Science for Bats
Channel Demo
WildlifeOfNature
Scientists learn a lot about bats in Yosemite National Park
The National Park Service (NPS) is an agency of the United States federal government within the U.S. Department of the Interior that manages all national parks, 
Generally, materials produced by federal agencies are in the public domain and may be reproduced without permission.
Copyright in U.S. Government Works
Mar 8, 2023 — U.S. government works are in the public domain (i.e., not protected by the U.S. Copyright Act). You can freely use them (in a copyright sense
https://www.nps.gov/media/video/view.htm%3Fid%3D1D7D820B-0E97-AC27-B7778485567BB63B

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