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Pest Identification from McDonald Pest Control

Rodents

Black RatBlack Rat

The Black Rat (Rattus rattus) (alt. Ship Rat, Roof Rat, House Rat, Alexandrine Rat, Old English Rat) is a common long-tailed rodent of the genus Rattus (rats) in the subfamily Murinae (murine rodents). The species originated in tropical Asia and spread through the Near East in Roman times before reaching Europe by the 6th century and spreading with Europeans across the world. Today it is again largely confined to warmer areas, having been supplanted by the Brown Rat (Rattus norvegicus) in cooler regions.

Despite its name, it exhibits several colour forms. It is usually black to light brown in colour with a lighter underside. A typical rat will be 15–20 cm (5.9–7.9 in) long with a further 20 cm (7.9 in) of tail. It is nocturnal and omnivorous, with a preference for grains and fruit. Compared to the Brown Rat, it is a poor swimmer, but more agile and a better climber, tending even to flee upwards. In a suitable environment it will breed throughout the year, with a female producing three to six litters of up to ten young. Females may regulate their production of offspring during times when food is scarce, throwing as few as only one litter a year. R. rattus lives for about 2–3 years. Social groups of up to sixty can be formed.

Black Rats (or their ectoparasites) are able to carry a number of pathogens, of which bubonic plague (via the rat flea), typhus, Weil’s disease, toxoplasmosis and trichinosis are the most well known. In the 1920s in England, several colour variations were bred and shown alongside domesticated brown rats. This included an unusual green tinted variety. Today however, very few people keep Black Rats as pets. Most pet rats (or fancy rats) are domesticated brown rats.

In New Zealand, Black Rats have an internationally unusual distribution and importance, in that they are utterly pervasive through native forests, scrublands, and urban parklands. This is typical only of oceanic islands that lack native mammals, especially other rodents. Throughout most of the world, Black Rats are found only in disturbed habitats near people, mainly near the coast. Black Rat are the most frequent predator of small forest birds, seeds, invertebrates, and perhaps lizards in New Zealand forests, and are key ecosystem changers. Controlling their abundance on usefully large areas of the New Zealand mainland is a crucial current challenge for conservation managers.

All of the above information came from Wikipedia, the free encyclopedia

Deer MouseDeer Mouse

Peromyscus maniculatus is a rodent native to North America. It is most commonly called the Deer Mouse, although that name is common to most species of Peromyscus and is fairly widespread across the continent, with the major exception being the southeast United States and the far north.

Like other Peromyscus species, it is a carrier of emerging diseases such as hantaviruses and lyme disease. It is closely related to Peromyscus leucopus, the White-footed Mouse.

Deer mice are nocturnal creatures who spend the day time in areas such as trees or burrows where they have nests made of plant material. The individual litters of deer mice are contained by the female mother in an individual home range. The deer mice do not mingle in groups with their litters. During the development stages, the mice within one litter interact much more than mice of two different litters. Although deer mice live in individual home ranges, these ranges do tend to overlap. When overlapping occurs, it is more likely to be with opposite sexes rather than with the same sex. Deer mice that live within overlapping home ranges tend to recongnize one another and interact a lot.

All of the above information came from Wikipedia, the free encyclopedia

House MouseHouse Mouse

The House Mouse (Mus musculus) is one of the most numerous species of the genus Mus commonly termed a mouse. It is a small mammal and a rodent.

Laboratory mice belong to strains of House Mice and are some of the most important model organisms in biology and medicine; they are by far the most commonly used genetically altered laboratory mammal.

House mice have an adult body length (nose to base of tail) of 7.5–10 cm (3.0–3.9 in) and a tail length of 5–10 cm (2.0–3.9 in); the weight is typically 10–25 g (0.35–0.88 oz). They vary from white to grey, light brown to black, with short hair and a light belly. The ears and tail have little hair. The hind feet are short compared to Apodemus mice, only 15–19 mm (0.59–0.75 in) long; the normal gait is a run with a stride of about 4.5 cm (1.8 in), though they can jump up to 45 cm (18 in). The droppings are blackish, about 3 mm (0.12 in) long, and have a strong musty smell. The voice is a high-pitched squeak.

All of the above information came from Wikipedia, the free encyclopedia

Meadow VoleField Mouse

The Meadow Vole (Microtus pennsylvanicus), sometimes called the Field Mouse or Meadow Mouse, is a small North American vole found across Canada, Alaska and the northern United States. Its range extends further south along the Atlantic coast. One subspecies, the Florida Salt Marsh Vole (M. p. dukecampbelli), is found in Florida, and is classified as endangered. It is also found in Chihuahua, Mexico.

The Meadow Vole is active year-round, usually at night. It also digs underground burrows where it stores food for the winter and females give birth to their young. Although these animals tend to live close together, they are aggressive towards one other. This is particularly evident in males during the breeding season. It can cause damage to fruit trees, garden plants and commercial grain crops.

All of the above information came from Wikipedia, the free encyclopedia

 

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