One year later, lone gray wolf still prowling Calif.

(AP)—He doesn't like busy Interstate 5 or eating cattle, at least so far. He gets along with his distant cousins the coyotes, likes to swim and roams a lot—an awful lot—around the northernmost reaches of California.

Ice Age coyotes were supersized, fossil study reveals

Coyotes today are pint-sized compared to their Ice Age counterparts, finds a new fossil study. Between 11,500 and 10,000 years ago — a mere blink of an eye in geologic terms — coyotes shrunk to their present size. ...

Getting a read on wild animals' age

While pets and livestock often have known birthdates, the ages of animals in the wild have been difficult to track down, but that may change. A new skin analysis test can give accurate information about the ages of wild animals ...

Experts: Ancient Mexicans crossbred wolf-dogs

(AP) -- Mexican researchers said Wednesday they have identified jaw bones found in the pre-Hispanic ruins of Teotihuacan as those of wolf-dogs that were apparently crossbred as a symbol of the city's warriors.

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