Most dog breeds highly inbred

Dog breeds are often recognized for distinctive traits—the short legs of a dachshund, wrinkled face of a pug, spotted coat of a Dalmatian. Unfortunately, the genetics that give various breeds their particular attributes ...

New Peruvian bird discovered: The vivid yellow Inti tanager

After persuading his parents to bring home a bird feeder from his relatives' hardware store, Kevin Burns became captivated by watching his avian visitors. He would flip through pages in a bulky encyclopedia to know which ...

Why no tusks? Poaching tips scales of elephant evolution

A hefty set of tusks is usually an advantage for elephants, allowing them to dig for water, strip bark for food and joust with other elephants. But during episodes of intense ivory poaching, those big incisors become a liability.

Team discovers invasive-native crayfish hybrids in Missouri

In a study of crayfish in the Current River in southeastern Missouri, researchers discovered—almost by chance—that the virile crayfish, Faxonius virilis, was interbreeding with a native crayfish, potentially altering ...

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