Land Mammals
The following sections describe the frequency range of a specific mammal's hearing in comparison to other mammals. Low pitch sounds are low in frequency; the high pitch sounds are high in frequency.
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Famous quotes containing the word land:
“I see an America whose rivers and valleys and lakes, hills and streams and plains; the mountains over our land and nature’s wealth deep under the earth, are protected as the rightful heritage of all the people.”
—Franklin D. Roosevelt (1882–1945)