Guide Note

Over 99% of all animal species that once inhabited the earth are now extinct, meaning that they no longer exist. ¹ Between 1600 and 1983, approximately 370 species of animals became extinct and anywhere from 40-100 plant and animal species disappear each day.²

Fast Facts

Extinction is a necessary aspect of the evolutionary process³
Earth has seen an estimated 5 mass extinctions during its history
A mass extinction wiped out the dinosaurs approximately 65 million years ago
Approximately 50% of mammals that have become extinct since the 1800s lived in Australia⁴
Studies show that smaller mammals are less vulnerable to extinction than larger ones⁴

Human Involvement

Fossil records show that the overall number of species on earth has generally increased over time. However, recent increases in species extinction are believed to have been caused by human interference.³

Extinct Animals

Categories

Socially Built Pages | Science | Animals | Endangered Species

View Note History

Extinct Animals

The Mahalo Top 7

U.S. Fish and Wildlife Services: Extinct Animals
Wikipedia: Lists of Extinct Animals
50Birds.com: Gallery List of Extinct Animals
ExtinctAnimal.com: Extinct Animal List and Information
Oddee.com: 10 Most Amazing Extinct Animals (August 25, 2007)
Popular Science: 100 Times Worse Off than Previously Believed (July 3, 2008)
DailyMotion.com: Cloning extinct animals (Time 1:25)

Extinct Animals Background and Information

Wikipedia: Lists of Extinct Animals
U.S. Fish and Wildlife Services: Extinct Animals
50Birds.com: Gallery List of Extinct Animals
Parks.sa.gov.au: Extinct Animals List
Petermass.nl: Recently Extinct Animals
The Free Dictionary: Extinct Definition
ExtinctAnimal.com: Extinct Animal List and Information

Threatened Species

IUCN: 2007 List of Threatened Species
Arkive.org: Threatened Species

Extinct Animals News and Articles

Google News: Extinct Animal Search Results
Popular Science: 100 Times Worse Off than Previously Believed (July 3, 2008)
The New York Times: Can You Revive an Extinct Animal? (January 1, 2008)
Psyorg.com: Study says near extinction threatened people (April 25, 2008)
NRDC.org: Did climate change wipe out North America's giant mammals (Winter, 2006)
Science Daily: Surprising Link Between Body Size And Extinction Risk (September 24, 2001)

Extinct Animals Videos and Images

Google Images: Extinct Animals Search Results
Google Video: Extinct Animals Search Results
HowStuffWorks.com: Islands and Evolution: Cloning Extinct Species (Time 2:12)
DailyMotion.com: Cloning extinct animals (Time 1:25)
YouTube: Extinct and Endangered animals (Time 7:02)

Extinct Animals Blogs and Commentary

Google Blog Search: Extinct Animal Search Results
Proboards: Extinct Animals Community Forum
Dodosgone: Extinct Animal Blog
Wired: The Best: Extinct Animals (January 18, 2008)
Oddee.com: 10 Most Amazing Extinct Animals (August 25, 2007)

Extinct Animals Books and Merchandise

Amazon.com: Extinct Animals Search Results
Google Books: Extinct Animal Search Results
ZooTycoon.com: Extinct Animals Edition
Amazon.com: A Gap in Nature: Discovering the World's Extinct Animals (by Tim Flannery)

Related Searches

Extinction | Dodo Bird | Mammoth | Dinosaurs | Aurochs | Endangered Species | Saber Toothed Cat