Word: extincted
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That same instinct for self-preservation will probably mean there won't be many outright fights between the two species. "If they hadn't evolved behavioral mechanisms to reduce unnecessary aggression, they would be extinct," Rockwell says, adding, "In 41 years in the field, where I sometimes see 200 bears in a day, I've seen exactly one aggressive encounter...
Today that brand of moderate Republicanism remains a force in state and local politics. At the national level, however, it is nearly extinct. Northeastern or California Republicans who aspire to national office often feel compelled to reinvent themselves: see Romney, Mitt, career...
...only place to see an aurochs in nature these days? A cave painting. The enormous wild cattle that once roamed the European plains have been extinct since 1627, when the last survivor died in a Polish nature reserve. But this could soon change thanks to the work of European preservationists who are hoping they can make the great beast walk again. If they succeed - through a combination of modern genetic expertise and old-fashioned breeding - it would be the first time an animal has been brought back from extinction and released into the wild...
...weighing more than a ton. It had forward-facing horns and a white stripe running down its spine. The prehistoric animal was domesticated about 8,000 years ago, but some aurochs also remained in the wild until the end of the Middle Ages, when scientists believe they became extinct due to overhunting and loss of habitat. (See the top 10 scientific discoveries...
Other groups are also trying to bring different animals back from extinction through breeding. In South Africa, scientists are attempting to recreate the quagga, an extinct subspecies of the zebra, and in the U.S., breeders are trying to bring back a giant Galápagos tortoise that was killed off in the 1800s - a process that could take close to a century. (See "Dinosaur-Era Crocodiles Found in Sahara...