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09:41 PM
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WTF happened to all the cane toads?
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[quote:Zero Point:MV8xNzU2MDY0XzI5MTQxODE2X0U1OUZFQ0ZD] [quote:Anonymous Coward 1880562:MV8xNzU2MDY0XzI5MTQxNzgzXzRGNkJFNDA3] Here's another thought - we've read about boom-time for snakes lately. Well, we could assume that the Keelback snake is on of them! Add the fact that all those floods would have spread to Keelback to new pastures. This site argues against creating vius etc to fight the toad and raises some valid points - [i]"...In more ways than one, the keelback snake offers reason to be optimistic that if left to its own devices, the Australian ecosystem will not only reduce toad numbers of its own accord, but may even eliminate them completely. The keelback snake is non-venomous freshwater snake that is immune to the toad's toxins. It has this immunity because its distant ancestor evolved eating toads somewhere in Asia. This begs the question, if a freshwater toad-eating snake was able to migrate to Australia from Asia in the distant past, why wasn't an Asian toad able to do the same? Perhaps one did, but it went extinct because it was unsuited to Australian conditions. Just because the Australian ecosystem was completely free of toads in 1788 doesn’t mean there were not toads in a previous time. If there were toads, it would be understandable as to why they died out. The synthesis of toxins requires a great deal of energy. If predators develop an ability to either eat around the toxins, or detoxify them, then the synthesis of the toxins puts the toads at a significant disadvantage compared to frogs that may instead devote excess energy to synthesising fat for the kind of tough times that have always occurred in Australia. A strength becomes a weakness..."[/i] http://www.convictcreations.com/animals/canetoad.html wonder what THIS snake was hunting? :-D http://calamvalecreek.awardspace.com/cool.html [/quote] I've always thought their numbers would stabilise over time. Maybe we can hope it has happened this quickly? [/quote]
Original Message
Normally at this time of year my yard is crawling with toads.
It's even been raining.
Last night I couldn't find one bloody toad.
Weird?
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