Hitchhiking snails fly from ocean to ocean

Smithsonian scientists and colleagues report that snails successfully crossed Central America, long considered an impenetrable barrier to marine organisms, twice in the past million years -- both times probably by flying ...

Scientists say Gulf spill altering food web

(AP) -- Scientists are reporting early signs that the Gulf of Mexico oil spill is altering the marine food web by killing or tainting some creatures and spurring the growth of others more suited to a fouled environment.

Shorebirds prefer a good body to a large brain

In many animal species, males and females differ in terms of their brain size. The most common explanation is that these differences stem from sexual selection. But predictions are not always certain. A team of researchers ...

Bird migration becoming more hazardous

(PhysOrg.com) -- Can you imagine living your whole life in summer? In one of the most spectacular wildlife migrations on the planet, millions of shorebirds do exactly this by making a 20,000km round trip from their Arctic ...

Cages and emetics rescue wading birds

The number of waders (shorebirds) in Sweden is falling rapidly. Scientists at the University of Gothenburg have tested drastic new methods to protect species such as the Northern lapwing and redshank from predators, including ...

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