Evolution and Conservation of Poison Dart Frogs Draft #1

This topic submitted by Vera L. Figueiredo ( figueivl@miamioh.edu) at 4:44 PM on 3/13/06.

Tara and Scott SCUBA along the Wall at Runway Ten, 15 m deep, San Salvador, Bahamas.

Tropical Field Courses -Western Program-Miami University

I. Introduction
A. Four Groups
1. Dendrobates
2. Epipedobates
3. Minyobates
4. Phyllobates
B. Poision Arrow Dart Frogs Native to Costa Rica

II. Native American Use for Poision Arrow Dart Frogs

III. General biology
A. Physical Characteristics
B. Habitat
C. Diet
D. Habits
E. Reproduction
F. Life Span
G. Social Habits

III. Biochemistry of Poison Glands
A. Poisons
a. Difference between poisons and venoms
b. Anatomy of poison glands
B. Strength of toxins
a. Different types of toxins
b. Affects of toxins on predators
C. Where does the poisons come from?
a. Diet: Ants
b. Evolution

IV. Dangers to Posion Arrow Dart Frogs
A. Human-induced
a. Breeding in captivity
b. Habitat damage
B. Environmental/Natural risks

V. Poison ArrowDart Frog Status
A. Endangered Species

VI. Future of Poison Arrow Dart Frog populations
A. General Information for all species world wide
B. Conservation efforts
a. Costa Rica conservation efforts

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