Competition limits the ranges of mountain birds

A new study helps reveal why tropical mountain birds occupy such narrow elevation ranges, a mystery that has puzzled scientists for centuries. While many assumed temperature was responsible for these limited distributions, ...

Addressing the ocean deoxygenation crisis

While landlubbing house hunters sure don't have it easy these days, there's another community—one that dwarfs the human population in size—that is also suffering the woes of shrinking real estate: animals that live in ...

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