Invasive Species: Camels in Australia
Lesson Express
Q: Explain the potential harmful effects of the camels on the Australian ecosystem.
A: The camel population goes unchecked because they have no natural predators. They consume tree leaves and watering holes, making survival more difficult for native species like kangaroos and emus.
Q: What are some of the challenges the herders face when trying to round up camels?
A: The camels cover vast distances in remote areas. They are large and fast and therefore need a lot of manpower to herd them.
Q: What are some reasons herding is a better alternative to control the camel population than simply shooting them?
A: It is more humane for the camels. The ranchers can herd a small mob all together as opposed to shooting one at a time. There is no decomposing body left behind. They can be sold to traders.
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In The Tool-Using Tusk Fish, narrator Sir David Attenborough suggests that tusk fish, and perhaps other fish species, may be more intelligent than people ever thought possible. When the tusk fish finds food, such as a clam, it uses coral as a tool to crack open the clam and feed itself. This video is excerpted from BBC’s Blue Planet II, a natural history series that explores the world's oceans, the animals that live in them, and the threats they face, using modern filming techniques and equipment to capture previously unseen areas of the ocean.


