National Public Radio tells the story of Katy Payne and her attempts to study the Bai elephants of central Africa by listening to them. Great pictures and audio clips, plus documentation of Ms. Payne's fear that her research will be used...

Learn about the precautions humans must take in the face of a growing grizzly bear population in this video from Nature. [3:06]

In this video from Nature, learn more about the ongoing debate regarding whether or not the grizzly bear population needs special protection. [1:37]

In this video segment from Nature, learn about the problems bears are creating on ranch land surrounding Yellowstone National Park. [3:01]

An interview with Laurel Neme, the author of Animal Investigators, and experts from the US Fish and Wildlife Service. They discuss the field of animal forensic science and what animal investigators do. Aired May 1, 2009 [35:35]

The giant catfish is only found in the Mekong River Basin in Southeast Asia and it is disappearing from there. Watch researchers tag and release these giant fish and learn what else is being done to help the survival of these giants.

The narrative of an expedition to visit rare forest elephants in the Central African Republic. Great audio clips of elephants.

Take a quick, fun look at a group of endangered Perdido Key Beach Mice exploring their surroundings. [0:35]

The Endangered Species Act was passed in 1973, nearly unopposed. Conservation biologist Joe Roman and environmental historian Peter Alagona discuss how effective the Act has been in the last forty years and what steps could be taken for...

Researchers say earwax can provide data about pesticide exposures, hormone levels, and even stress levels of the endangered blue whale. [5 min, 31 sec]

Meet the American Alligator, a resident of the Lousiana estuary, and learn the secrets of this misunderstood creature. [4:55]

Students ask questions about the American Alligator, and an Armand Bayou Nature Center scientist provides answers. [3:06]

All species of sea turtles are threatened or endangered. Learn how scientists are studying these animals using high tech equipment. [9:19]

All species of sea turtles are threatened or endangered. Meet a scientist who works with sick or injured sea turtles and find out what happens in a turtle hospital. [9:08]

Watch this video [0:43] to meet a real marine biologist as well as some kids that are interested in marine biology and learn what an Ichthyologist does.

Save the Whales profiles the sperm whale, an endangered species and describes its habitat, diet and other characteristics. [2:02]

Scientists have found a way to track turtle hatchlings, and they hope to eventually uncover the mystery of their movements during their first journey out to sea. [1:54]

Eastern hellbenders live throughout the Appalachian region in the United States. Their ancestors have been on Earth for around 160 million years, but in the last several decades their numbers have dropped dangerously in several states,...

Tinder for wolves? The survival of the maned wolf may depend on the science of matchmaking. [4:45]

Meet a middle-school student who works to protect turtles found in the estuary. [3:16]

Ainsley talks about her responsibilities and compensation as an environmental specialist contracted to NOAA.

The Maya Lin sculpture at the California Academy of Sciences is art informed by science. "What is Missing?" is a memorial to extinct and endangered species. [2:31]

Pacific leatherback sea turtles are in trouble. See how a recent designation of protected areas is a good start to helping them.

Wallace J. Nichols is a California Academy of Sciences researcher who studies and tracks sea turtles. The more he learns about them, the more he realizes they are in serious trouble. [4:22]