25 Apr '11, 7pm

On Our Radar: Migrating Songbirds Vanish in Britain

On Our Radar: Migrating Songbirds Vanish in Britain By JOHN COLLINS RUDOLF British ornithologists record dramatic declines in the population of songbirds migrating from Africa. Since 1995, the number of turtle doves arriving in spring has dropped by 71 percent, while nightingales have declined by 53 percent. The reason for the losses is unknown, but scientists suspect that land-use changes could play a leading role. “The real problem is that there are so many different possible causes for these losses, which makes it difficult to tease out the factors involved in their decline and to prepare plans to put things right,” a scientist says. [The Guardian] The first of thousands of endangered penguins rescued after a shipwreck and oil spill on a remote South Atlantic island chain are returned to the sea . “It was an emotional moment to see these penguins released from captivity...

Full article: http://green.blogs.nytimes.com/2011/04/25/on-our-radar-mi...

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