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To see how invading predators change an ecosystem, watch the prey, say researchers

To study the impacts of invading predators, researchers used three lizard species: one curly-tailed predator and two prey species, green and brown anoles. They found that the anoles could coexist peacefully, but introducing predators drove the brown anoles into the trees with the green anoles, intensifying competition and undermining their ability to coexist.

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