Resurveying California's Wildlife

In this video, students learn how scientific surveys of wildlife are performed at a site in Yosemite, California, and how these surveys are being used -- in conjunction with studies from the early 1900s -- to provide evidence that animal populations in Yosemite have shifted over time in response to rising temperatures.

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KQED
Teachers' Domain
Video length 7:42 min.

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Teaching Tips

Teaching Tips

The online version of this video is not of sufficient resolution for projection in a classroom.

No subtitles, so may be difficult to keep track of which species the scientists are talking about.