new world mouse
Noun A small rodent belonging to the superfamily Muroidea, typically characterized by a pointed snout, small rounded ears, and a long, often hairless, tail. The term specifically denotes species native to the Americas, distinguishing them from "Old World" mice and rats.
The term is used in biological and zoological contexts to classify and describe mice indigenous to the Americas. * The field guide helped identify the small mammal as a new world mouse, not an introduced house mouse. * Biologists are studying the habitat preferences of a particular new world mouse.
- In taxonomic classification, "New World mouse" can refer to several genera within the family Cricetidae, such as (deer mice) and (harvest mice).
- The term is often used in contrast to "Old World mouse" (members of the family Muridae, such as the common house mouse, ).
- New World rat: Refers to larger rodent species native to the Americas, such as pack rats (genus ).
- Sigmodontinae: The scientific name for the large subfamily that includes most New World mice and rats.
- American mouse
- Cricetid mouse (referring to its taxonomic family)
This is a specialized zoological term with no significant alternative common meanings. It does not refer to a computer peripheral or any metaphorical usage.
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a variety of rodent
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