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Brown Rat
Brown Rat
Rattus norvegicus
Mammalia
COMMON

Stats

Lifespan
1-3 yrs
Size
Medium
Diet
Omnivore
Activity
Nocturnal
Social
Colony
Biome
Temperate grassland
Range
East Asia
Movement
Running
Breeding
Live Birth
Defense
Burrowing
Status
Common

About

The brown rat is one of the most widespread mammals on Earth, found on every continent except Antarctica. Despite their reputation, they are highly intelligent, capable of learning complex tasks and even showing empathy toward other rats in distress.

Life cycle

  1. 1.
    newborn pup
    A blind, hairless pup nurses in the nest and is unable to regulate its own warmth.
  2. 2.
    juvenile
    A weaned juvenile is fully furred, leaves the nest, and begins foraging on solid food.
  3. 3.
    adult
    Fully grown and self-sufficient.

Learn more

Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Mammalia
Order
Rodentia
Family
Muridae
Genus
Rattus
Species
Rattus norvegicus