Rats are typically distinguished from mice by their size. Usually the common name of a large muroid rodent will include the word "rat", while a smaller muroid's name will include "mouse". The common …

May 3, 2026 · Rat, the term generally and indiscriminately applied to numerous members of several rodent families having bodies longer than about 12 cm, or 5 inches. (Smaller thin-tailed rodents are …

May 6, 2026 · Hantavirus is a rare but potentially dangerous rodent-borne virus that can cause flulike symptoms and severe lung or organ problems. It is mainly spread through contact with infected …

May 4, 2026 · The Dutch-flagged cruise ship is now sitting off the coast of the West African island nation of Cape Verde, while the situation is being monitored by the World Health Organization.

Some rodents that we call “rats” are not true members of Rattus, including the pack rat, naked mole rat, and giant pouched rat.

Jul 28, 2025 · The brown rat, also known as the Norway rat (Rattus norvegicus), is one of the most widespread and adaptable rodent species on the planet. It thrives in both urban and rural …

The term “rat” encompasses several species within the family Muridae, the largest family of mammals. The most familiar species is the brown rat (Rattus norvegicus), also known as the Norway rat, and …

May 9, 2026 · The meaning of RAT is any of numerous rodents (Rattus and related genera) differing from the related mice especially by considerably larger size. How to use rat in a sentence.

Apr 17, 2026 · Signs of a rat's presence are droppings, gnawing marks, tracks, runways, and burrows. Like mice, rats are nocturnal and have very poor eyesight but have very strong senses of smell, …

Apr 27, 2023 · With nearly 60 species of rat discovered so far, these rodents come in all sizes. They are typically 5 inches (12 centimeters), or longer, according to Encyclopedia Britannica.