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The word dormouse comes from Middle English dormous, of uncertain origin, possibly from a dialectal *dor-, from Old Norse dár 'benumbed' and Middle English mous 'mouse'.. The word is sometimes conjectured to come from an Anglo-Norman derivative of dormir 'to sleep', with the second element mistaken for mouse, but no such Anglo-Norman term is known to have existed.
Perognathinae is a subfamily of rodents consisting of two genera of pocket mice. Most species live in complex burrows within the deserts and grasslands of western North America , They feed mostly on seeds and other plant parts, which they carry in their fur-lined cheek pouches [ 2 ] to their burrows.
Kangaroo rat and kangaroo mouse – similar heteromyid rodents native to North America; an example of convergence; Kultarr – a marsupial with a similar body plan and coloration; another example of convergence; they use quadrupedal locomotion, but their large aerial phases cause them to be confused with hopping mice
The mice's squabble, Rowley later commented, was "over in seconds". [7] The photograph was chosen from a shortlist of 25 out of 48,000 submitted images. [1] The Director of the Natural History Museum, described the picture as showing "a fascinating glimpse into how wildlife functions in a human-dominated environment."
Mice are good jumpers, climbers, and swimmers, and are generally considered to be thigmotactic, i.e. usually attempt to maintain contact with vertical surfaces. [citation needed] Mice are mostly crepuscular or nocturnal; they are averse to bright lights. The average sleep time of a captive house mouse is reported to be 12.5 hours per day.
The three species in this genus of New World mice are only distantly related to the common house mouse, Mus musculus.They are endemic to the United States and Mexico. The southern grasshopper mouse has around a 3.5 to 5.0 inches (8.9–12.7 cm) long body and a tail that is generally 1.0 to 2.5 inches (2.5–6.4 cm) long. [2]
The Cricetidae are a family of rodents in the large and complex superfamily Muroidea.It includes true hamsters, voles, lemmings, muskrats, and New World rats and mice.At over 870 species, it is either the largest or second-largest family of mammals, and has members throughout the Americas, Europe and Asia.
In the Pinacate mice, they discovered a perfect association between different versions of the Melanocortin-1 receptor (Mc41r6) gene and coat colour. [3] Subsequent studies demonstrated that there is strong selective pressure maintaining Mc1r allele and coat colour frequencies across the short geographic distances between the light- and dark ...