Table of Contents The Red List Is Growing 4 Endangered Species Act Has Been a success 6 National Wildlife Refuges Protect Endangered Species 8 Reducing pollution Saves Habitats 10 Endangered Species Are Threatened by Poaching 12 Zoos Raise Awareness about Endangered Species 14 Invasive Species Playa Role 16 The COTSbot Saves Coral Reefs 18 Robots Spy on the Sage Grouse 20 To Save a Crane Dress Like One 22 Frozen Zoo Could Help Rebuild Species 24 De extinction May One Day Be Possible 26 Fact Sheet 28 Glossary 30 For More Information 31 Index 32 About the
The Red List Is Growing Thousands of animal species of Nature IUCN has kept its are threatened around the world Red List Understanding what puts these Many countries and organizations animals at risk allows humans keep their own lists But the Red List to help the species survive This attempts to include all threatened knowledge also helps people identify species in the world It contains both other animals that may need help animals and plants Approximately All known threatened species are 80 000 species are on the list tracked on a list Since 1964 the Some of these are in less danger International Union for Conservation than others Some have already gone extinct More than 20 000 species are currently threatened with extinction Approximately 2 500 are critically endangered animals Those numbers continue to grow Many animals face the same threats Climate change and loss of living space are two of the biggest One example of a species facing these threats is the polar bear These bears rely on cold O Sea otters were nearly wiped out in the early 1900s due to the fur trade They are still
Polar bears rely on sea ice to hunt seals environments Polar bears hunt for alone Many species large and small face similar threats food on sea ice and it is melting The IUCN expects the global polar bear population to drop by 30 percent over the next 35 to 40 years But the polar bear is not The Red List is updated several times per year It helps organizations around the world know what species need the most help 834 BACK FROM EXTINCTION Number of extinct animals on the Red List The IUCN Red List has been kept since 1964 It helps track endangered species and spot others that could be at risk Some species seem to have risen from the dead The coelacanth SEE luh kanth fish was thought to have disappeared along with dinosaurs 66 million years ago Then one was caught near South Africa in 1938 They are hard to find since they live down to 2 300 feet 700 m deep in the ocean The coelacanth Approximately 2 500 animals are critically endangered imate change and loss of habitat are two reasons the list is is an endangered species Approximately 1 000 exist in the world growing