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Threatened and Endangered Wildlife Species AGR 381 Unit H-1. William Hanel. OBJECTIVES. Differentiate between the terms “extinct”, “endangered”, and “threatened”; Understand why species become threatened and what laws exist to help prevent their extinction;
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Threatened and Endangered Wildlife SpeciesAGR 381 Unit H-1 William Hanel
OBJECTIVES • Differentiate between the terms “extinct”, “endangered”, and “threatened”; • Understand why species become threatened and what laws exist to help prevent their extinction; • Describe methods used to manage threatened and endangered species; and • Identify threatened and endangered species in Texas.
THREATENED: • any animal or plant that is likely to become endangered within the foreseeable future
ENDANGERED: • any animal or plant listed by regulation as being in danger of extinction
EXTINCT: • An animal which no longer exists
Why do species become threatened? • Large body size • Specialized diet • Special habitat requirements • Small population • Limited geographic distribution • Economic or commercial value • Low reproductive output
How to prevent or help.. • The Endangered Species Act of 1973 requires development and implementation of recovery plans for the conservation and survival of threatened and endangered species.
CONSERVATION STRATEGIES • Protect and preserve habitats • Land to protect is purchased by governments • Nature reserves • National parks • State parks • Designated wilderness areas
CONSERVATION STRATEGIES • Captive breeding • State regulations on hunting and fishing
Bald Eagle • Texas Status • Threatened • U.S. Status • Threatened
Texas Horned Lizard • Texas Status • Threatened
Jaguarundi • Texas Status • Threatened
Loggerhead Sea Turtle Texas: Threatened
Houston Toad Endangered
Texas Blind Salamander Endangered
OBJECTIVES • Differentiate between the terms “extinct”, “endangered”, and “threatened”; • Understand why species become threatened and what laws exist to help prevent their extinction; • Describe methods used to manage threatened and endangered species; and • Identify threatened and endangered species in Texas.