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animations, spitting cobra and death adder


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Posted by Cindy Chambers on March 24, 2002 at 01:32:20:

Dear All,

I am researching for an exhibition about predators which includes two interactive science exhibits about venomous creatures.

I have read some journal and textbook related information, but have not found definitive answers to the following questions:

1. do any animals predate by SPRAYING rather than injecting venom?
2. does the spitting cobra spray venom purely as a defence mechanism, or can it do this to hunt prey as well?
3. if the death adder moves the tip of its tail to attract prey in the guise of a worm, why do certain prey which do not normally consume worms still approach the snake?
4. where can I access animations showing a cross-section of the envenomation action of the wasp, snake (back and front fang), scorpion, box jellyfish (or general nematocyst action), cone shell and shrew?

I would appreciate it if you could suggest sources of information or researchers to assist with my investigations.

Thankyou

Cindy Chambers
Questacon - The National Science and Technology Centre
Canberra, Australia




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