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Virginia opossums: The American marsupials that have barely changed since the time of the dinosaursVirginia opossums are the only marsupial species in North America.
2 Commentsland-mammals -
Return of wolves to Yellowstone has led to a surge in aspen trees unseen for 80 yearsGray wolves were reintroduced in Yellowstone National Park in 1995 to help control the numbers of elk that were eating young trees, and it is finally paying off for quaking aspen.
46 Commentsland-mammals -
Colugo: The 'flying lemur' that doesn't fly and isn't a lemurThis big-eyed rainforest mammal looks like a cross between a bat and a squirrel. It glides between treetops using a furry membrane that connects its limbs.
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Why do cats like concrete slabs?Cat owners have noticed their pets seem to go crazy for concrete blocks. Why?
3 Commentscats -
'Alpha male' primates are rare, with females about as likely to dominate the opposite sex, study findsResearchers have found that clear-cut male dominance is rare in primates, with both sexes capable of reigning supreme depending on the circumstances.
primates -
Chimps develop fashion trend by shoving grass in their ears — and in their buttsChimpanzees are running around with grass in their ears and butts at the Chimfunshi Wildlife Orphanage in Zambia. This is the second time a bizarre fad-like behavior has gripped the sanctuary's chimps, but wearing the grass accessories in their butts is a new twist.
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Why do giraffes have spots?Giraffes' distinctive spots are more than just for show. So why do these tall animals have them?
land-mammals -
Bear's new metal tooth is world's biggest-ever crownLake Superior Zoo in Minnesota announced it has given a brown bear the world's largest dental crown, with the bear now sporting a silver-colored metal canine
bears -
Are cats the only animals that purr?Everyone knows what a happy cat sounds like. But are they the only animals that purr?
cats
