News tagged with prey species
Scientists examine effect of wolves' absence and see an ecosystem 'unraveling'
Biology /
Jan 29, 2009 |
4 / 5 (4) |
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No trace remains of the wolves whose howls ricocheted for millennia down the lush valleys of the Olympic Peninsula. Settlers and trappers killed them all in little more than three decades.
Big cats, wild pigs and short-eared dogs -- oh, my!
Biology /
Jan 27, 2009 |
4 / 5 (5) |
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The Wildlife Conservation Society (WCS) released photos today from the first large-scale census of jaguars in the Amazon region of Ecuador—one of the most biologically rich regions on the planet.
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Australian fossil unlocks secrets to the origin of whales
Other Sciences / Archaeology & Fossils
Dec 22, 2009 |
4.8 / 5 (4) |
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Museum Victoria palaeobiologist Dr Erich Fitzgerald has made new groundbreaking discoveries into the origin of baleen whales, based on a 25 million year old fossil found near Torquay in Victoria.
Poisonous prehistoric 'raptor' discovered in China
Other Sciences / Archaeology & Fossils
Dec 21, 2009 |
4.9 / 5 (12) |
1
(PhysOrg.com) -- A group of University of Kansas researchers working with Chinese colleagues have discovered a venomous, birdlike raptor that thrived some 128 million years ago in China. This is the first ...
Headwater stream nutrient enrichment disrupts food web
Dec 17, 2009 |
4.2 / 5 (6) |
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Human activity is increasing the supply of nutrients, such as nitrogen and phosphorus, to stream systems all over the world. The conventional wisdom -- bolstered by earlier research -- has held that these additional nutrients ...
Zoning the ocean may help endangered whales to recover
Dec 16, 2009 |
5 / 5 (1) |
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Scientists in Scotland, Canada and the US have proposed a new method to identify priority areas for whale conservation. The team's findings, published in Animal Conservation, suggest that even small protected areas, identi ...
Fossils on the Edge of Forever
Space & Earth / Earth Sciences
Dec 14, 2009 |
4.9 / 5 (12) |
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Astrobiologists have not yet found alien life on other planets. But the fossil record has evidence of aliens of another sort: the Ediacarans that lived on Earth millions of years ago.
Koalas, penguins at risk of extinction: study
Dec 14, 2009 |
3.3 / 5 (3) |
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Climate change threatens the survival of dozens of animal species from the emperor penguin to Australian koalas, according to a report released Monday at the UN climate summit.
Earliest toothless bird found
Other Sciences / Archaeology & Fossils
Dec 10, 2009 |
4.8 / 5 (5) |
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(PhysOrg.com) -- A new species of bird from the Cretaceous period in China has been identified. It had toothless upper and lower jaws, and provides significant information on the diversification in the evolution ...
Wolf recovery at crossroads in the Southwest
Dec 06, 2009 |
1 / 5 (1) |
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(AP) -- A decade has passed since the federal government began releasing Mexican wolves into the wild in an effort to return the endangered animal to its historic range in the Southwest. It hasn't worked ...
In Taiwan, bird catchers turn bird watchers
Dec 04, 2009 |
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When Yeh You-chin was a boy half a century ago, he ate migratory birds with relish, but now he is at the forefront of efforts to preserve the feathered visitors to his south Taiwan home.
Lizards change their diet to avoid predators
Dec 02, 2009 |
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A scientist from the University of Salamanca and another from Yale University have shown that the presence of predators affects the behaviour of Acanthodactylus beershebensis, a lizard species from the Ne ...
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