Mammals That Gnaw
0.0/ 10 0 votes 1974-01-01 0h 12m 0 popularity
Shows places where rodents live, such as grass, rock crevices, or underground, and observes how they store food. Explains that rodents outnumber other mammals in both kinds and numbers. Points out that while some rodents spread disease or damage crops, others are important aids in scientific studies.
