Roof Rat Biology

The norway rat is the other species and is better known because of its widespread distribution.

Roof rat biology.

The roof rat also called gray bellied rat white bellied rat alexandrine rat black rat and ship rat. The male roof rats body length is 375 cm 29 the researchers note the wounds on from biology 343 at apopka high. The roof rat is one of two introduced rats found in the contiguous 48 states. It likely originated in the indian subcontinent but is now found worldwide.

I have written a number of articles about rat behavior and biology. Norway rat roof rat cross. The tail of the roof rat will reach the nose. Their tails are notably longer than their heads and bodies measuring 7 10 19 25 cm.

The roof rat rattus rattus is one of two introduced rats found in the contiguous 48 states. Rat behavior and biology anne s rat page welcome to my website about rats. The black rat 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. Their undersides are often white gray or black.

Norway rats rattus norvegicus and roof rats rattus rattus also called black rats ship rats are different species a species according to the biological species concept is a group of related individuals or populations that can interbreed and produce fertile offspring members of different species cannot produce fertile offspring together. Exulans is present in the hawaiian islands but not on the mainland. Rat pups are born 4 5 6 g affected by litter size eyes will open at 14 17 days and ears at 2 5 3 5 days. It is sometimes kept as a pet.

In parts of india it is considered sacre. The black rat rattus rattus is a species of small long tailed rodents it appears like a stereotypical rat and is found worldwide. It is a generalist omnivore and a serious pest to farmers because it feeds on a wide range of agricultural crops. Adult roof rats measure 6 8 16 20 cm when combining their head and body length.

Rattus rattus is commonly known as the roof rat black rat and ship rat. Roof rats have soft and smooth fur that is typically brown with intermixed spots of black. A third rat species the polynesian rat r. It is often also referred to as the ship rat roof rat or house rat and is known as a pest to farmers but is also kept as a pet by some.

Another difference is that the roof rat is more slender with a longer tail than the norway rat. Anogenital space is used to differentiate newborns sex. When distinguishing the norway rat from the roof rat pull the tail back over the body. The black rat is black to light brown in colour with a lighter underside.

Norvegicus is the other species and is better known because of its widespread distribution. The norway rat r.