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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
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
Read Next
animal. Amphibian. Frog. Anura. Ranidae. Frog in grass.
Abundant Animals: The Most Numerous Organisms in the World
cat. orange and white persian cat with long hair, snarl, growl, teeth
7 Questions About Mammals Answered
Spider monkey swinging in a tree. (primate, jungle animal)
Why Do Animals Have Tails?
Collage of different cats. Made for the cat quiz on Mendel
16 Questions About Pets Answered
Discover
Germans from East and West stand on the Berlin Wall in front of the Brandenburg Gate in the November 10, 1989, photo, one day after the wall opened.
Timeline of the 1980s
Aspirin pills.
7 Drugs that Changed the World
Big beaver gnawing on limb at river's edge
6 Animal Species that Mate for Life
Illustration for Demystified "How Dangerous is Quicksand"
How Deadly Is Quicksand?
Periodical Cicada, Adult, Magicicada spp. Requires 17 years to complete development. Nymph splits its skin, and transforms into an adult. Feeds on sap of tree roots. Northern Illinois Brood. This brood is the largest emergence of cicadas anywhere
Why Do Some Cicadas Appear Only Every 17 Years?
NBA Lakers Celtics Finals Kevin Garnett shooting.
10 Great Sports Rivalries
Dancers at a Cinco de Mayo festival at the Mission District, San Francisco, California. (Photo dated 2019.) holidays
Is Cinco de Mayo Mexico's Independence Day?

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Key People

Ryuzo Yanagimachi
American scientist
Charles Elton
English biologist

Related Quizzes and Features

Quiz
Lion (panthera leo)
Deadliest Animals Quiz
Giraffe standing in grass, Kenya.
Know Your Mammals Quiz
Mute swan with cygnet. (birds)
Match the Baby Animal to Its Mama Quiz
Young chimpanzee dressed in a shirt and sweater vest, scratching his head thinking. (primates)
Wild Words from the Animal Kingdom Vocabulary 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
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
List
animal. Amphibian. Frog. Anura. Ranidae. Frog in grass.
Abundant Animals: The Most Numerous Organisms in the World
Collage of different cats. Made for the cat quiz on Mendel
16 Questions About Pets Answered
cat. orange and white persian cat with long hair, snarl, growl, teeth
7 Questions About Mammals Answered