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The nutria (/ ˈ n juː t r i ə /) or coypu (/ ˈ k ɔɪ p uː /) (Myocastor coypus) [1] [2] is a herbivorous, [3] semiaquatic rodent from South America.Classified for a long time as the only member of the family Myocastoridae, [4] Myocastor has since been included within Echimyidae, the family of the spiny rats.
Cane rats range in body length from 35–60 centimetres. They attain weights of around 3-6kg and in some cases up to 10kg. They are heavily built rodents, with bristly brown fur speckled with yellow or grey. They live in marshy areas and along river and lake banks, and are herbivores, feeding on aquatic grasses
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 ...
Naked mole-rats feed primarily on very large tubers (weighing as much as a thousand times the body weight of a typical mole-rat) that they find deep underground through their mining operations. A single tuber can provide a colony with a long-term source of food—lasting for months, or even years, [ 57 ] as they eat the inside but leave the ...
This is a feasible strategy to avoid food shortage. It is the habit of collecting and storing both food and nonfood items that has earned the eastern woodrat is other common name of "pack-rat" or "trade rat". [17] Starting in September, the woodrat will start to forage and store food in its midden for use and survival in the winter. [18]
The marsh rice rat takes both vegetable and animal food, and is more carnivorous than most small rodents are; [168] dominant food items vary seasonally. Plants eaten include species of Spartina , Salicornia , Tripsacum , and Elymus , among others; it mainly eats seeds and succulent parts. [ 169 ]
Rats are a common food item for snakes, both in the wild, and as pets. Adult rat snakes and ball pythons, for example, are fed a diet of mostly rats in captivity. Rats are readily available (live or frozen) to individual snake owners, as well as to pet shops and reptile zoos, from many suppliers.
The kowari is an opportunistic and voracious hunter, with its regular diet including the long-haired rat (Rattus villosissimus), house mouse (Mus musculus), geckoes, insects and other arthropods, including centipedes. [7] Most animals of equal or smaller size to the kowari may be considered prey if the opportunity arises, including birds.