Whales may have evolved from raccoon-sized creature
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In the search for a missing evolutionary link to modern whales, scientists have come up with an unlikely land cousin -- a raccoon-sized creature with the body of a small deer.
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As he stood knee-deep in whale guts, it didn&#39;t occur to researcher Michael Moore that sperm whales might get the bends. A veterinarian and research specialist at the Woods Hole Oceanographic
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BRISBANE, Australia - The body of a whale resembling a giant dolphin that washed up on an eastern Australian beach has intrigued local scientists, who agreed Wednesday that it is rare but are not sure just how rare.
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The manatee has unique perceptual abilities, perfectly suited to its niche in the world. New research challenges the notion that these sea mammals are not all that bright.
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One of the great success stories of the ocean, the return of the Pacific gray whale, may have been based on a miscalculation, scientists reported Monday in a study based on whale genetics.
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A bizarre marine reptile used a neck nearly twice the length of its body to capture its prey, 230 million years ago. Fish saw only its small head in murky waters and, when they came too close, the animal quickly
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Ancient bison DNA may help explain a longstanding mystery of North American wildlife: why mammoths, North American lions, short-faced bears and many other large mammals disappeared about 10,000 years ago.
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The dwarf ancestors of today&rsquo;s giant pandas were already big-time bamboo munchers more than 2 million years ago, a new fossil skull reveals.
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Being the biggest dog might pay off at feeding time, but species that grow too large are likely to be be more vulnerable to extinction, new research suggests.
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About 2 million years ago, in  lowland tropical forests of what is now China, lived an  ancestor of the giant panda that was very similar to the famed  vegetarian bear except about half the size, scientists said.
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Two fossil finds in China suggest that prehistoric mammals were bigger and badder than previously thought. At least one even ate dinosaurs for dinner.
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Being the biggest dog may pay off at feeding time, but species that grow too large may be more vulnerable to extinction, new research suggests. Over 50 million years a succession of large carnivores evolved in North America, diversified, and then died out.
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Science & environment: Small deer-like animal that waded in lagoons 10 million years ago may have evolved into the modern whale
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By LEE TOLLIVER,  It's wahoo time.  The offshore waters of Virginia and North Carolina have been teeming with wahoo - long, slender, toothy critters that resemble a barracuda on steroids.
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WASHINGTON: Using computer programs, scientists have suceeded in reconstructing the DNA of a creature that lived at the time of the dinosaurs more than 75 million years ago, a small, furry nocturnal animal that was the common ancestor of all placental
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A fossil found in Wyoming resolves a puzzle over when bats gained their sonar-like ability to navigate and locate food.
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During the age of dinosaurs, tiny squirrel-like creatures climbed trees and jumped into the darkness. Then they spread their limbs and glided away &#151; the first known mammals to take to the air, a new report says.