News tagged with small mammals
Mini Dinosaurs Prowled North America (w/Video)
Massive predators like Albertosaurus and Tyrannosaurus rex may have been at the top of the food chain, but they were not the only meat-eating dinosaurs to roam North America, according to Canadian researchers w ...
Other Sciences / Archaeology & Fossils
Mar 16, 2009 |
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Small mammals -- and rest of food chain -- at greater risk from global warming than thought
The balance of biodiversity within North American small-mammal communities is so out of whack from the last episode of global warming about 12,000 years ago that the current climate change could push them ...
May 23, 2010 |
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Some mammals used highly complex teeth to compete with dinosaurs: study
Conventional wisdom holds that during the Mesozoic Era, mammals were small creatures that held on at life's edges. But at least one mammal group, rodent-like creatures called multituberculates, actually flourished ...
Other Sciences / Archaeology & Fossils
Mar 14, 2012 |
4.6 / 5 (7) |
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Yosemite's alpine chipmunks take genetic hit from climate change
Global warming has forced alpine chipmunks in Yosemite to higher ground, prompting a startling decline in the species' genetic diversity, according to a new study by researchers at the University of California, ...
Feb 19, 2012 |
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Researchers find critical speed above which birds- and drones- are sure to crash
The northern goshawk is one of nature's diehard thrill-seekers. The formidable raptor preys on birds and small mammals, speeding through tree canopies and underbrush to catch its quarry. With reflexes that rival a fighter ...
Technology / Computer Sciences
Jan 19, 2012 |
4.7 / 5 (6) |
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Gentle bilby had 'killer' ancestor
(PhysOrg.com) -- The gentle rabbit-like bilby - Australia's stand-in for the Easter bunny - had an ancient relative that was a far more fearsome little beast, a new study has found.
Other Sciences / Archaeology & Fossils
Sep 01, 2010 |
5 / 5 (4) |
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A pitcher perfect relationship
(PhysOrg.com) -- It seems counterintuitive, but in rare cases carnivorous plants and herbivorous animals nourish each other in a mutually beneficial relationship.
Jul 05, 2011 |
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SANS tracks cell death protein invading biomimetic mitochondrial membrane
(PhysOrg.com) -- An international team of biochemists, biophysicists, and neutron scientists are using a combination of fluorescence and small-angle neutron scattering (SANS) techniques to assist biochemists ...
Dec 15, 2011 |
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Lyme disease surge predicted for the northeastern US
The northeastern U.S. should prepare for a surge in Lyme disease this spring. And we can blame fluctuations in acorns and mouse populations, not the mild winter. So reports Dr. Richard S. Ostfeld, a disease ...
Mar 16, 2012 |
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Can we predict which species will be able to move far or fast enough to track changing climate?
As global temperatures rise, suitable sites for many plants and animals are shifting to cooler and higher ground. Can we predict which species will be able to move far or fast enough to keep up? A new study says the secrets ...
May 12, 2011 |
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Rare bettongs return to mainland
The rare eastern bettong (Bettongia gaimardi) has returned to the Australian mainland, after an absence of over 80 years.
Nov 03, 2011 |
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