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rat
Table of Contents
References & Edit History Quick Facts & Related Topics
Images & Videos
brown rat
Europe's rising rat populations: Causes, effects, and solutions
Lactation The effects of biotin deficiencies in rats. Left, a rat fed on a biotin-deficient diet. Right, the same rat after three months on a diet with an adequate amount of biotin.
For Students
brown rat
rat summary
Quizzes
Dromedary camels (Camelus dromedarius). Animals, mammals.
Ultimate Animals Quiz
Sea otter (Enhydra lutris), also called great sea otter, rare, completely marine otter of the northern Pacific, usually found in kelp beds. Floats on back. Looks like sea otter laughing. saltwater otters
Animal Group Names
Lion (panthera leo)
Deadliest Animals Quiz
Young chimpanzee dressed in a shirt and sweater vest, scratching his head thinking. (primates)
Wild Words from the Animal Kingdom Vocabulary Quiz
Mute swan with cygnet. (birds)
Match the Baby Animal to Its Mama Quiz
Read Next
White goat with blue sky. Farm animal
Which Animal Is the Smartest?
Working German Shepherd dog sniffing a suspecting package for drugs or explosives.
Working Like a Dog: 7 Animals with Jobs
Two rats on a wood surface.
8 Interesting Facts About Rats
bird. pigeon. carrier pigeon or messenger pigeon, dove
Fightin’ Fauna: 6 Animals of War
animal. Amphibian. Frog. Anura. Ranidae. Frog in grass.
Abundant Animals: The Most Numerous Organisms in the World
Discover
A Factory Interior, watercolor, pen and gray ink, graphite, and white goache on wove paper by unknown artist, c. 1871-91; in the Yale Center for British Art. Industrial Revolution England
Inventors and Inventions of the Industrial Revolution
Aphrodite. Greek mythology. Sculpture. Aphrodite is the Greek goddess of love and beauty.
12 Greek Gods and Goddesses
Space race (1957-1969) infographic between United States (U.S.) and Russia. America, Soviet Union, U.S.S.R., space exploration
Timeline of the Space Race, 1957–69
Lead image for "A Timeline of the World in 8 Maps"
A Timeline of the World in 8 Maps
Moonrise over Tucson, Arizona
Why Doesn’t Arizona Observe Daylight Saving Time?
Amendments 1-10 to the Constitution of the United States constitute what is known as the Bill of Rights on an American flag.
What Is the Emoluments Clause?
Ruminant. Deer. Red deer. Cervus elaphus. Buck. Stag. Antlers.
9 of the World’s Deadliest Mammals

rat: Facts & Related Content

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Facts

Also Known As Rattus

Photos and Videos

brown rat
Lactation
The effects of biotin deficiencies in rats. Left, a rat fed on a biotin-deficient diet. Right, the same rat after three months on a diet with an adequate amount of biotin.
Europe's rising rat populations: Causes, effects, and solutions
See All Videos and Images →

Related Topics and References

Topics

Related Quizzes and Features

Quiz
Dromedary camels (Camelus dromedarius). Animals, mammals.
Ultimate Animals Quiz
Sea otter (Enhydra lutris), also called great sea otter, rare, completely marine otter of the northern Pacific, usually found in kelp beds. Floats on back. Looks like sea otter laughing. saltwater otters
Animal Group Names
Hedgehogs. Insectivores. Erinaceus europaeus. Spines. Quills. Close-up of a hedgehog rolled up.
Unconventional Pets Quiz
vulture. An adult bearded vulture at a raptor recovery center. The Gypaetus barbatus also known as the Lammergeier or Lammergeyer, is a bird of prey and considered an Old World vulture.
Animal Factoids
Young chimpanzee dressed in a shirt and sweater vest, scratching his head thinking. (primates)
Wild Words from the Animal Kingdom Vocabulary Quiz
Mute swan with cygnet. (birds)
Match the Baby Animal to Its Mama Quiz
Giraffe standing in grass, Kenya.
Know Your Mammals Quiz
Lion (panthera leo)
Deadliest Animals Quiz
List
cat. orange and white persian cat with long hair, snarl, growl, teeth
7 Questions About Mammals Answered
bird. pigeon. carrier pigeon or messenger pigeon, dove
Fightin’ Fauna: 6 Animals of War
Two rats on a wood surface.
8 Interesting Facts About Rats
Collage of different cats. Made for the cat quiz on Mendel
16 Questions About Pets Answered
animal. Amphibian. Frog. Anura. Ranidae. Frog in grass.
Abundant Animals: The Most Numerous Organisms in the World