FILE - In this Sept. 26, 1997, file photo, a handler holds Tuatahi, a 3 week old Kiwi bird, the first kiwi born at Sydney's Taronga Zoo for more than 26 years. Scientists say they have sequenced the ...
If optimists see the world through rose-colored lenses, some birds see it through ultraviolet ones. Avians have evolved ultraviolet vision quite a few times in history, a new study finds. Birds depend ...
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Birds-of-paradise are sending secret color signals invisible to human eyes, scientists say
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