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Study highlights sex-specific variability in mouse features

Scientists have shown that sex-specific differences in variability depend on individual physical and physiological features in mice, debunking competing theories that either males or females are more variable.

Researchers work to understand how we see at night

Publishing in PNAS, biologists at Kyoto University report on a previously unknown mechanism in the retina that will perhaps lead to a better understanding of how our eyes see at night. The finding was made possible thanks ...

Viruses play critical role in evolution and survival of the species

As the world scrambles to control the growing COVID-19 coronavirus pandemic, new research in Nature Structural & Molecular Biology shows viruses also play a key evolutionary role in mammals' ability to reproduce and survive.

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Mouse

30 known species

A mouse (plural mice) is a small mammal belonging to the order of rodents. The best known mouse species is the common house mouse (Mus musculus). It is also a popular pet. The American white-footed mouse (Peromyscus leucopus) and the deer mouse (Peromyscus maniculatus) also sometimes live in houses. In some places, certain kinds of field mice are also common. This rodent is eaten by large birds such as hawks and eagles. They are known to invade homes for food and occasionally shelter.

Although mice may live up to two and a half years in captivity, the average mouse in the wild lives only about four months,[citation needed] primarily owing to heavy predation. Cats, wild dogs, foxes, birds of prey, snakes and even certain kinds of insects have been known to prey heavily upon mice. Nevertheless, because of its remarkable adaptability to almost any environment, and its ability to live commensally with humans, the mouse is regarded to be the second most successful mammalian genus living on Earth today, after humans.

Mice can at times be harmful rodents, damaging and eating crops and spreading diseases through their parasites and feces. In western North America, breathing dust that has come in contact with mouse feces has been linked to the deadly hantavirus.[citation needed]. The original motivation for the domestication of cats is thought to have been for their predation of mice and their relatives, the rats.[citation needed]

Primarily nocturnal animals, mice compensate for their poor eyesight with a keen sense of hearing, and rely especially on their sense of smell to locate food and avoid predators.

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