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Endangered Species. Vulnerable species Threatened species Endangered species. Vulnerable Species: Mexican Long-tongued bat. A vulnerable species is in danger because its numbers are low or declining. Vulnerable species: leopard frog. Threatened species: indigo snake.
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Endangered Species Vulnerable species Threatened species Endangered species
Vulnerable Species: Mexican Long-tongued bat A vulnerable species is in danger because its numbers are low or declining.
Threatened species: indigo snake A threatened species is in danger because its habitat is in trouble.
Endangered species: Siberian tiger An endangered species is in immediate danger of dying out completely, or becoming extinct.
Factors of Endangerment • Destruction of both aquatic and terrestrial habitats. • Exploitation of animals • Demand for animal parts for use in certain foods or medicines. • Introducing non-native species to an environment. • Natural causes: changes in the weather, introducing an exotic species to a new environment
Importance of the diversity of being Foxglove plant (毛地黃) is the main source of the drug digitalis (強心劑).
World Wildlife Fund http://www.worldwildlife.org/
National Wildlife Federation http://www.nwf.org/