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Zapodidae, the jumping mice, is a family of mouse-like rodents in North America and China. Although mouse-like in general appearance, these rodents are distinguished by their elongated hind limbs, and, typically, by the presence of four pairs of cheek-teeth in each jaw.
The jumping mouse is an excellent digger; it usually burrows in a depression, and begins to dig horizontally with its front limbs, once inside it also uses its powerful hind feet to throw out the loose soil. [5] The meadow jumping mouse is primarily nocturnal, but has been captured in the late evening of a cloudy moist day. This could be ...
The woodland jumping mouse occurs throughout northeastern North America. [6]Populations are most dense in cool, moist boreal woodlands of spruce-fir and hemlock-hardwoods where streams flow from woods to meadows with bankside touch-me-nots and in situations where meadow and forest intermix and water and thick ground cover are available.
IBM sold a mouse with a pointing stick in the location where a scroll wheel is common now. A pointing stick on a mid-1990s-era Toshiba laptop. The two buttons below the keyboard act as a computer mouse: the top button is used for left-clicking while the bottom button is used for right-clicking.
Replaced by Performance Mouse MX in 2009. VX Revolution 2006: 10: Free Spinning (toggled by mechanical switch) IR Laser: 800: QUAD 2.4 GHz: 1×AA: Released in celebration of Logitech's 25th anniversary. First Logitech mouse to feature a free-spinning alloy scroll wheel. [12] VX Nano 2007: 7: Free Spinning (toggled by mechanical switch) IR Laser ...
The Page Up and Page Down keys (sometimes abbreviated as PgUp and PgDn) are two keys commonly found on computer keyboards. The two keys are primarily used to scroll up or down in documents, but the scrolling distance varies between different applications. In word processors, for instance, they may jump by an emulated physical page or by a ...
Eastern meadow voles are active year-round [8] [9] and day or night, with no clear 24-hour rhythm in many areas. [10] Most changes in activity are imposed by season, habitat, cover, temperature, and other factors. Eastern meadow voles have to eat frequently, and their active periods (every two to three hours) are associated with food digestion.
The Chinese jumping mouse has a head-and-body length of between 70 and 100 mm (2.8 and 3.9 in) and a tail of 115 to 144 mm (4.5 to 5.7 in). The dorsal fur has a band of dark brown running along the spine but is otherwise a reddish-brown or ochraceous colour, the flanks are pale reddish-brown and the underparts are white.