AUSTIN TX, RATS AND REMOVAL FACTS:
According to the Integrated Taxonomic Information System (ITIS) there are more than 60 species of rat, which means they come in all sizes. Luckily the most common rat we see here in and around austin are Roof Rats, and Norwegian Rats. Rats in general are typically 5 inches (12 centimeters), or longer, according to Encyclopedia Britannica. The largest species is the Bosavi woolly rat, which was discovered in 2009 in the rainforest of Papua New Guinea (and doesn't have a scientific name yet). It is about the size of a cat — 32.2 inches (82 cm) from nose to tail and weighs around 3.3 lbs. (1.5 kilograms), according to CNN. One of the smallest rats is Osgood’s Vietnamese rat. It is typically 5 to 7 inches (12 to 17 cm) long.
Rats are found all over the world. For example, the rice-field rat is found in Southeast Asia, the Australian swamp rat is found in Eastern Australia, and the Norway rat, also called brown rats, is found on every continent of the world except Antarctica, according to the Animal Diversity Web at the University of Michigan.
The brown and the house rat are the most common rats in the world because they have taken boats to every country over the past few centuries. House rats typically like warmer climates, while brown rats live in temperate climates. They typically live anywhere humans live. Many rat species also live in trees.
Overall, rats live to forage and mate. Most rats are nocturnal, though the brown rat is often awake day or night.
Rats usually stick together in groups called packs. New packs are formed when a male and female go off on their own and nest in an area that doesn’t already contain a pack. Brown rats are usually led by the largest male in the pack. Other rats may have several dominant males or females in a pack.