Rat

The Rat (Rattus norvegicus) is a omnivore species found in Urban and rural areas worldwide. It typically lives 2-3 years, weighing around 0.2-0.5 kg, and is currently classified as Least Concern on conservation status lists.

One fact worth knowing about the rat: Rats laugh when tickled.

Mammals are warm-blooded vertebrates that nurse their young and are found on every continent except Antarctica. From tiny rodents to massive whales, this group includes some of the most intelligent and adaptable animals on Earth.