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True rats are omnivorous, capable of eating a wide range of plant and animal foods, and have a very high birth rate. When introduced to a new area, they quickly reproduce to take advantage of the new food supply.
Rats reproduce fast, Perkes said, with two rats turning into eight within a month. According to the Smithsonian, female Norway rats can have seven litters a year with an average of eight pups per ...
The brown rat (Rattus norvegicus), also known as the common rat, street rat, sewer rat, wharf rat, Hanover rat, Norway rat and Norwegian rat, is a widespread species of common rat. One of the largest muroids, it is a brown or grey rodent with a body length of up to 28 cm (11 in) long, and a tail slightly shorter than that. It weighs between 140 ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 24 January 2025. Order of mammals Rodent Temporal range: Late Paleocene – recent Pre๊ ๊ O S D C P T J K Pg N Capybara Springhare Golden-mantled ground squirrel North American beaver House mouse Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Class: Mammalia Mirorder ...
The black rat (Rattus rattus), also known as the roof rat, ship rat, or house rat, is a common long-tailed rodent of the stereotypical rat genus Rattus, in the subfamily Murinae. [1] It likely originated in the Indian subcontinent, but is now found worldwide. [2] The black rat is black to light brown in colour with a lighter underside.
The breeding season of eastern wood rats depends on the climate. Those in warmer climates (e.g. Florida and Georgia) can reproduce all year, while eastern wood rats in higher latitudes (e.g. Kansas and Nebraska) breed from early spring to mid fall. Their estrous cycle lasts between 3 and 8 days, while gestation lasts between 32 and 38 days. [11]
Kangaroo rats often leap a distance of 7 feet, [5] and reportedly up to 9 feet (2.75 m) [6] at speeds up to almost 10 feet/sec, or 11 km/h (7 mph). [7] They can quickly change direction between jumps. [7] The rapid locomotion of the banner-tailed kangaroo rat may maximise energy cost and minimise predation risk. [8]
The bush rat does not show much overlap in diet with other local rodent species. In the summer it consumes primarily fruit, arthropods, and seeds, but in the winter its main source of food is from a particular cyperaceous species. When found in the forest it consumes primarily fungi and various fibrous plant material. [7]