These frogs are
considered one of Earth's most toxic, or poisonous, species. For example, the
golden poison dart frog has enough poison to kill 20,000 mice. With a range of
bright colors—yellows, oranges, reds, greens, blues—they aren't just big
show-offs either. Those colorful designs tell potential predators, "I'm
toxic. Don't eat me." Scientists think that poison dart frogs get their
toxicity from some of the insects they eat. How do poison dart frogs capture
their prey? Slurp! With a long, sticky tongue that darts out and zaps the
unsuspecting bug! The frogs eat many kinds of small insects, including fruit
flies, ants, termites, young crickets, and tiny beetles, which are the ones
scientists think may be responsible for the frogs' toxicity. Poison dart frogs
live in the rain forests of Central and South America. There are more than 100
species of poison dart frogs, including those that live in the Amazon. Hunters
from Colombia's Embera tribe regularly hunted birds, monkeys and other small
animals using poison darts. The poison came from bright yellow frogs just a few
centimetres long.
A single
"golden poison frog" harbours enough poison to kill 10 grown men,
making these frogs perhaps the most poisonous animals alive. They are one of
many species of toxic frogs, which are known as poison dart frogs. They are all
small: the largest are no more than 6cm long, and some are just 1.5 cm. Other
poison dart frogs are far less toxic than the golden poison frog, and only a
handful of species pose a risk to humans. How did these tiny, beautiful
creatures become so poisonous, and why?
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Description is collected from:
http://kids.nationalgeographic.com/animals/poison-dart-frog/#poison-dart-frog-orange-blue.jpg
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