Darwins Dilemma

New species in 3 generations


Rapid hybrid evolution over three generations of birds and within forty years of observing humans. Rapid hybrid speciation has been witnessed between Darwin’s finches in the Galápagos archipelago, on the small island Daphne Major. “It’s an extreme case of something we’re coming to realise more generally over the years. Evolution in general can happen very …

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Another Darwin Dilemma

Darwins Dilemma

Why did the evolution of birds and especially birds beaks slow down recently? Evoslowlution? Shouldn’t the evolution process continue because environmental conditions have certainly continued to change. The study revealed a burst of rapid changes in beaks about 70 million years ago, allowing birds to exploit different habitats. More recently, despite the number of bird …

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