K-12 Teaching and Learning From the UNC School of Education

LEARN NC was a program of the University of North Carolina at Chapel Hill School of Education from 1997 – 2013. It provided lesson plans, professional development, and innovative web resources to support teachers, build community, and improve K-12 education in North Carolina. Learn NC is no longer supported by the School of Education – this is a historical archive of their website.

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Provider
Upper Midwest Environmental Sciences Center
Date created
Unknown
Duration
0:34
File
MP3
License
This work is believed to be in the public domain. Users are advised to make their own copyright assessment and to understand their rights to fair use.

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Cope’s gray treefrog and the Eastern gray treefrog are identical in appearance, but Cope’s gray treefrog has a faster trill.