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Key characteristics of Norway and roof rats.

Illustration of key characteristics of Norway and roof rats including tail, body, ear, nose, and eye size Credit: Illustration from Bjornson, B. F., and C. V. Wright. 1960 (revised). <i>Control of Domestic Rats and Mice</i>. Center for Disease Control, USDHEW, Public Health Service Pub. 563.
Credit: Illustration from Bjornson, B. F., and C. V. Wright. 1960 (revised). Control of Domestic Rats and Mice. Center for Disease Control, USDHEW, Public Health Service Pub. 563.
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