Cuckoo chicks in Zebra finches

(PhysOrg.com) -- Some female zebra finches foist a part of their eggs on their neighbours. Scientists of the Max Planck Institute for Ornithology in Seewiesen discovered that in every fifth nest there is one egg that is not ...

Darwin's finch and the evolution of smell

Darwin's finches - some 14 related species of songbirds found on the Galapagos and Cocos Islands - will forever be enshrined in history for having planted the seeds of the theory of evolution through natural selection. Today, ...

Cooperative behavior is for the birds

(PhysOrg.com) -- Cooperative behaviors are rare in the animal kingdom and remain a great enigma for evolutionary biologists. A new study by Frederique Dubois, a professor at the University of Montreal Department of Biology ...

Asian carp raises fear and loathing on Great Lakes

(AP) -- After nearly four decades as a fishing guide on the Great Lakes, Pat Chrysler has seen enough damage from invasive species to fear what giant, ravenous Asian carp could do to the nation's largest bodies of freshwater.

Bacterium Identified as Potato Disease Culprit

(PhysOrg.com) -- Studies tying a new species of Candidatus Liberibacter bacteria to zebra chip (ZC) disease in potato should speed efforts to better protect the tuber crop from costly outbreaks.

Northwest fears that invasive mussels are headed its way

Highly invasive mussels are lurking on the Northwest's doorstep, threatening to gum up the dams that produce the region's cheap electricity, clog drinking water and irrigation systems, jeopardize aquatic ecosystems and upset ...

HOT ISSUE: Should we deliberately move species?

(AP) -- On naked patches of land in western Canada and United States, scientists are planting trees that don't belong there. It's a bold experiment to move trees threatened by global warming into places where they may thrive ...

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