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Wild wings heading north     In late November 1996, 10 Snow Geese were tagged on their necks with lightweight satellite radios by members of the U.S. Geological Survey. In late February '97, the flock of snow geese started their journey north to their nesting grounds in the western Canadian Arctic. Find out about their journey and learn about animal migration. From Wild Wings: Heading North http://north.audubon.org/

Mammoth monarch migration     Monarch butterflies fly thousands of miles to Mexico. What about bird migration? Is there a relationship between forest fragmentation and songbird survival? From The Miracle of Migration http://whyfiles.org/006migration/

Animal hospital     Many a pet's life ends simply because inappropriate behavior leads the owner to "put the animal to sleep." On this Web site you can find out more about the problem, review questions and answers with specialized animal behaviorists, and test your knowledge of more exotic animals. Information is communicated in text narrative form, and in the form of question and answer. Limited content. From NOVA Online | Animal Hospital http://www.pbs.org/wgbh/nova/vets/

Jeff's Nudibranch and Coral Reef Gallery     Photo gallery of sea slugs - nudibranches - with original underwater photographs from the seas around the Philppine Islands. From Jeff's Nudibranch Site and Coral Reef Gallery http://divegallery.com/

Return of the Species     Reintroducing wolves, swans and condors to their ancestral homes. A look at recent reintroduction efforts. Restorations are expensive, and there are never any guarantees. From Wolf on the rebound http://whyfiles.org/015species_restore/

Fire alarm     Ecological effects of forest fires. the role of fire in natural systems, and the role of science in understanding wildfires. From Woods ablaze http://whyfiles.org/018forest_fire/

Endocrine disrupters     Are synthetic chemicals causing hormonal chaos? Disrupting our endocrine systems, and those of wildlife? From Endocrine disrupters http://whyfiles.org/045env_hormone/

The Cheetah Spot     Facts, pictures, sounds and links relating to the cheetah. The cheetah originated about 4 million years ago, long before the other big cats. The oldest fossils place it in North America in what is now Texas, Nevada and Wyoming. Home page plays music. From Cheetah Spot http://www.cheetahspot.com/

Year of the Ocean - 1998     Interactive site on ocean habitats, species, and threats, including shark and sea turtles features, information on marine conservation, and how you can protect sharks and oceans. From Year of the Ocean 1998 http://www.enn.com/yoto/

Wild-eyed alaska     Meet the puffins, gulls and other residents of Alaska's Gull Island through video footage, and learn about their habits and activities on this summer seabird colony. From Wild-Eyed Alaska, An Educational Exploration into Alaskan Wildlife http://www.hhmi.org/alaska/

Senses and Sensitivity     Neuronal Alliances for Sight and Sound. Explore the elegantly simple sensory system of the leech for detecting mechanical sensation such as touching, pushing and pinching on its slimy body surface. The leech's nervous system is very simple and easily accessible. Principles discovered in simple systems may be relevant in trying to understand the human brain. From holidaylectures.org - Neurobiology http://www.hhmi.org/grants/lectures/97lect/

Underdogs: Prairie Dogs at Home     A secret world awaits you below the grasslands of North America. Wriggle through miles of serpentine burrows that shelter thousands of the feisty rodents - and their foes as you encounter the rich diversity of the prairie. From Prairie Dogs @ nationalgeographic.com http://www.nationalgeographic.com/burrow/index.html

Monterey bay     Venture above and below the waters of the Monterey Bay National Marine Sanctuary, one of the largest protected marine areas in the world. The sanctuary's blue expanse of water teems with an unsurpassed explosion of life. From Monterey Bay @ nationalgeographic.com http://www.nationalgeographic.com/monterey/

A Handful of Tiger Time     What it takes to capture stunning images of the elusive, and endangered, Indian tiger with photographer Nick Nichols. From Tiger Time @ nationalgeographic.com http://www.nationalgeographic.com/nichols/index.html

Okavango: Africa's savage oasis     Be on the trail of some of the rarest, most dangerous animals in Africa such as cheetahs, pangolins, lechwe, and other wild wonders living the untamed habitat of Botswana1s Okavango Delta. This web site is a collection of activities designed to teach students of different grades about the rare, wild species. Intended primarily for teachers. From Okavango @ nationalgeographic.com http://www.nationalgeographic.com/okavango/index.html

U.S. national wildlife refuges sanctuary     Take a serious look at America's ecological oases. Find out what threats menace wildlife and, perhaps, the refuges themselves. From Sanctuary: U.S. Wildlife Refuges @ nationalgeographic.com http://www.nationalgeographic.com/refuges/index.html

Keiko the Whale     News, photos and information on the Ocean Futures project. Graphics intensive site offers interesting information about Keiko the whale, as well as ocean life in general. Site is both educational and seeks to solicit membership in Cousteau's organization. From Ocean Futures Online - Home http://www.oceanfutures.com/

Night Creatures of the Kalahari     Where we humans see only darkness, some animals can see their next meal. How do they do it? And how are zoologists able to study these night creatures? This Web site shines a spotlight on the nocturnal eye. From NOVA Online | Night Creatures of the Kalahari http://www.pbs.org/wgbh/nova/kalahari/

Leopards of the Night     How leopards see at night and how a television crew filmed leopards at night. From NOVA Online | Leopards of the Night http://www.pbs.org/wgbh/nova/leopards/

Beast of Loch Ness     Examples of real animals once thought to be nonexistent, and myths and legends behind the discoveries of those animals, such as Africa's ocapi. There is also a narration of how the legend of Loch Ness monsters came to be and eyewitness accounts. There are experiments with sonar and descriptions of how the sonar works. The site is done mostly using text narration and images. From NOVA Online | The Beast of Loch Ness http://www.pbs.org/wgbh/nova/lochness/

Shark attack!     Get the facts on sharks - everything from how they give birth to when they first appeared on Earth. Learn about the six senses that help this masterful predator hunt. From NOVA Online | Shark Attack! http://www.pbs.org/wgbh/nova/sharkattack/

Wild wolves     What's in a wolf's howl - a calling card, a warning, or an invitation? Hear the call of the wild, find out how wolves are making a comeback, and discover the ancient connection between dogs and wolves at this Web site. From NOVA Online | Wild Wolves http://www.pbs.org/wgbh/nova/wolves/

Born to be wild     Can we teach animals to be wild? Keiko the whale, language of whooping cranes, Golden lion tamarins. From Continuing education for animals http://whyfiles.org/072educ_survival/

Amber: Window to the Past     For more than 11,000 years, people have collected, traded, carved, and examined amber; yet much about the substance remains a mystery. For example, no one is certain how amber manages to preserve the organisms entrapped in it (called "inclusions") so exquisitely. It is thought that terpenes, compounds that become linked as the resin hardens, help to preserve the inclusions by dehydrating the organisms and killing any bacteria that might cause decay. From American Museum of Natural History http://www.amnh.org/exhibitions/amber/

Oceans alive     The oceans are alive! Our planet, mostly covered with water, is filled with movement and life. Learn all about our global seas. From Oceans Alive! http://www.mos.org/oceans/

Dinorama     Dinosaur fossil discovery. Learn about the largest dinosaurs that existed and dinosaur eggs that have been found almost intact. From Dinorama @ nationalgeographic.com http://www.nationalgeographic.com/features/dinorama/frame.html

Outpost: human origins     Join a team of scientists as they travel to Africa trying to study about the origins of human kind From Outpost: Human Origins @ nationalgeographic.com http://www.nationalgeographic.com/features/outpost/index.html

A Bouillabaisse of Fascinating Facts About Fish     Questions about the oceans and the life that thrives within them. On the basis of a canvas of experienced marine scientists in the Fisheries Service done in 1973, more than a hundred questions have been chosen as most representative. From NEFSC Fish FAQ http://www.nefsc.nmfs.gov/faq/index.html

Crocodiles!     What is it about crocodiles that has enabled them to live for at least 240 million years, outlasting even the dinosaurs? This site is the ultimate guide to crocodiles, with everything from their survival strategies to the basics on all 23 species, to what it's like to wrestle with a half-ton Nile crocodile in the wild. From NOVA Online | Crocodiles http://www.pbs.org/wgbh/nova/crocs/

The Brain Eater     What causes Mad Cow disease? Is there a new type of infectious agent - a prion - that's responsible? What happens when science faces an unknown pathogen, and what are the implications for public health? Explore these questions and more. Limited content. From NOVA Online | The Brain Eater http://www.pbs.org/wgbh/nova/madcow/

Kingdom of the Seahorse     Seahorses: read an interview with seahorse crusader Amanda Vincent. From NOVA Online | Kingdom of the Seahorse http://www.pbs.org/wgbh/nova/seahorse/

Floral Radiographs: The Secret Garden     Photo essay of beautiful flower X-radiographs. A beautiful blossom is a fleeting thing It stays for a moment and then takes wing: With special rays we catch it ere flight So all may enjoy the beautiful sight. From The Secret Garden http://www-personal.umich.edu/~agrxray/

Dinosaur eggs     Join us now for an online egg hunt and catch the excitement of fossil researchers as they "hatch" fossilized dinosaur eggs to reveal the embryos inside. Tour our museum of dinosaur hatchlings, meet the modelers. From Dinosaur Eggs @ nationalgeographic.com http://www.nationalgeographic.com/dinoeggs/index.html

MicroAngela's Electron Microscope Image Gallery     Familiar and unexpected views of the microscopic are revealed though these wonderful colorized images from electron microscopes. Engaging (and sometimes amusing) collection of images, including insects, parasites, human cells, and plankton, with interesting explanations. Electron microscopes use a beam of electrons as their source of illumination. Inviting and easy to use. From MicroAngela's Electron Microscope Image Gallery http://www.pbrc.hawaii.edu/bemf/microangela/

Frogs     Frogs: their anatomy, habitats, eating patterns, courtship. Few people realize just how ancient frogs are. For 190 million years, the ancestors of modern frogs have roamed (if not ruled) the earth, looking much the same as they do today. From Exploratorium: Frogs http://www.exploratorium.edu/frogs/