The Ultimate Endangered Species Quiz
by Staff
Humans now have the technology and methods to keep the Earth's diversity intact. Prove your endangered species knowledge with this HowStuffWorks quiz.

When did the Endangered Species Act go into affect?

  • 1973
  • 1965
  • 1986

How many U.S. and foreign species are currently protected under the Endangered Species Act?

  • more than 2,000
  • more than 2,300
  • more than 1,500

Since the Endangered Species Act went into affect, how many on the list have gone extinct?

  • 3
  • 7
  • 9

Which of these mammals were among the first to be protected under the 1966 Endangered Species Preservation Act?

  • Whooping Crane
  • Timber Wolf
  • American Alligator

What is the world's most endangered sea turtle?

  • Kemp's Ridley Sea turtle
  • Leatherbacks
  • Loggerheads

True or False? The polar bear was the first animal added to the Endangered Species list due to climate change.

  • TRUE

What was the last feline to go extinct?

  • Iberian lynx
  • Flat-headed cat
  • Saber-toothed cat

Population of the western lowland gorilla is currently unknown. The species faces extinction due to what?

  • illegal poaching
  • disease
  • both

What percentage of habitat have tigers lost by deforestation, road building and other human activities?

  • 25 percent
  • 50 percent
  • more than 90 percent

Due to the success of recovery efforts under the Endangered Species Act of 1973, what animal was taken off the Endangered Species list in the United States in 2013?

  • gray wolf
  • bald eagle
  • black ferret

What drastic measures have conservationists taken to help protect rhinos from illegal poaching?

  • putting them all in zoos
  • removing them from the wild
  • cutting off their horns

What once-endangered animal is the national symbol of the United States?

  • bald eagle
  • grizzly bear
  • gray wolf

What are the greatest threats facing endangered species?

  • habitat destruction
  • illegal poaching
  • Both

What can you do to protect endangered species from extinction?

  • reduce, reuse and recycle
  • protect native habitats
  • both

In 1900, there were about 100,000 cheetahs worldwide. How many are estimated to be alive currently?

  • 10,000 to 15,000
  • 50,000
  • 35,000

True or False? The Florida Manatee was one of the first listed endangered species.

  • TRUE

The first endangered species list had more what than any other kind of animal?

  • birds
  • fish
  • reptiles

Which of the five rhinoceros species is the most endangered?

  • greater one-horned
  • Sumatran
  • The Javan

Although the right whale is now protected, what is continuing to harm its small population?

  • commercial fishing gear
  • illegal poaching
  • lack of food

What critically endangered animal is so rare and seldom seen, it's often referred to as the Asian unicorn?

  • the saola
  • the Sonoran pronghorn
  • the pangolin

This huge woodpecker was considered extinct until 2004.

  • Pileated woodpecker
  • Red-cockaded woodpecker
  • Ivory-billed woodpecker

What president signed the Endangered Species Act into law?

  • President Richard Nixon
  • President Gerald Ford
  • President Jimmy Carter

What law did the Endangered Species Act of 1973 replace?

  • Endangered Species Conservation Act of 1969
  • The Conservation Act of 1956
  • The Endangered and Conservation Law

What is CITES?

  • the Convention on International Trade in Endangered Species
  • the Coalition of International Trackers of Endangered Species
  • the Code of Illegal Trade for Endangered Species

True or False? CITES regulates more than 5,600 species of animals and 30,000 species of plants, and has 181 member states as of 2015, including the United States.

  • TRUE

True or False? The United States is one of the largest consumers of both legal and illegal wildlife in the world.

  • TRUE

What is threatening the tiger's survival in the wild?

  • trade in parts
  • poaching
  • both

What animal did the U.S. Fish and Wildlife Service propose to delist from the Endangered Species Act in February 2016?

  • the San Miguel, Santa Rosa and Santa Cruz Island fox
  • the California Condor
  • Dusky Seaside Sparrow

Of the dozens of species of rhino that once roamed the earth, how many still exist?

  • Six
  • Three
  • Five

In 1930, between 5 and 10 million African elephants existed. What percent remained when they were added to the Endangered Species list in 1989?

  • 10 percent
  • 1 percent
  • 50 percent