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cane toads

Cane toads: At a certain point, “evolution” becomes an excuse for not thinking clearly

At Nature: “Study finds that the noxious pests have become so numerous, they’ve developed a taste for each other — as well as defences to ward off such attacks”: The discovery could help researchers to understand the evolutionary underpinnings of how this uncommon and extreme behaviour emerges. Scientists have seen cannibalism evolve in species before, says Volker Rudolf, a community ecologist at Rice University in Texas, who studies the phenomenon. But what’s exciting about this work, he says, is that the researchers are almost seeing it “develop in front of their eyes”, given that the behaviour arose in less than a hundred years — the blink of an eye by evolutionary standards… Although adult cane toads are fearsome — they Read More ›