This site, which is provided for by Earth-Life Web, gives a list of extinct birds and provides a brief description and dates of extinction.

Borths, D'Emic, and Pritchard give a quick history of mass extinctions. [5:01]

Discusses the discovery of Homo neanderthalensis and describes the different theories that have been put forward to explain why Neanderthals became extinct.

Students examine the topic of evolution and extinction. Includes definitions, examples, and pictures on six extinctions events.

45,000 - 50,000 years ago the megafauna of Australia became extinct. This interview investigates several possible causes such as, continental drift, human impact, and climate change.

A look at fossil evidence that reveals life and ecological interactions of the extinct fan palm tree.

A look at what fossil evidence reveals about the life and ecological interactions of the extinct gray whale.

The blue pike went extinct in 1970 due to many human causes. This article outlines what happened to the fish and has some good thought-provoking questions at the end.

The dusky seaside sparrow is the most recent extinction of a vertebrate animal in the US. This article provides information about causes for extinction.

If you've never heard of a moa it's because they've been extinct for 1000 years. This article is about the huge bird and the reasons for extinction. Pay special attention to the "Questions for Thought."

This is quite a thought provoking article putting neanderthals in the category of extinct animals. Most of us have not thought of early human ancestors in this way, but this article and the thought questions at the end provide some good...

Though short, this article brings up some important points about extinct animals and how related species may go the same way. Be sure to read the "Questions for Thought" at the end.

An overview of Walter and Luis Alverez's theory that a large meteorite crashed into earth causing huge tidal waves, showers of ash, and an enormous dust cloud.

This site from the University of California, Berkeley offers a biography of George Cuvier. Scientific ideas of George Cuvier are presented, such as those related to comparative anatomy, fossils, the idea of extinction, and others....

This UC Berkeley site extensively covers the death of the dinosaurs. It includes history, theories, invalid hypotheses, and current arguments.

Ammonoids, more commonly referred to as Ammonites, are the extinct ancestors of today's octopus, squid and nautilus. This page provides excellent information about these creatures, as well as diagrams and pictures.

Although Woolly Mammoths have been extinct for thousands of years, scientists continue to learn more and more about this mighty animal. Some of the most exciting new research is being produced by looking at DNA extracted from the hair...

Birds protect their young in some cool ways! See how our national bird cares for its chicks. Students will read a National Geographic article about Eagles becoming extinct, and will watch a video on Iowa Bald Eagle cameras. Students will...

In this video segment adapted from NOVA, animations of an asteroid hitting Earth are used to illustrate this widely accepted theory of dinosaur extinction and the resulting conditions that favored mammals.

This site from the American Institute of Biological Sciences contains articles on a wide array of issues related to species diversity and extinction. Many articles available in Spanish.

Learn what fossil evidence reveals about the life and ecological interactions of the extinct seal-like allodesmus.

A look at what fossil evidence reveals about the life and ecological interactions of the extinct cycad plant.

Overview of the Earth in the Cambrian Period told by photos, news, and external links with an emphasis on what grew and lived then, the causes of mass extinction, types of fossils, and what life was like in general.

Overview of the Earth in the Devonian Period told by photos, news, and external links with an emphasis on what grew and lived then, the causes of mass extinction, types of fossils, and what life was like in general.