Chris Merkord Posted March 18, 2013 Share Posted March 18, 2013 iTech Post Evolution May Keep Birds From Becoming Roadkill U.S. News & World Report The birds build clusters of mud nests on vertical walls under bridges, overpasses and railroad tracks. Their colonies often number in the thousands. Every year for the last 30 years, the researchers have traveled the same roads to collect swallows that ... Swallows May Be Evolving to Dodge TrafficScientific American Evolution via RoadkillScience Now Are Birds Evolving To Dodge Cars?iTech Post Discover Magazine (blog) -Green Bay Press Gazette all 19 news articles » View the full article Link to comment Share on other sites More sharing options...
Chris Merkord Posted March 18, 2013 Author Share Posted March 18, 2013 Can Birds Evolve to Avoid Being Road Kill? LiveScience.com To avoid becoming road kill, birds may be evolving to have new traits such as shorter wingspans that allow better maneuverability, new research suggests. The researchers, who detailed their results today (March 18) in the ... The study doesn't prove ... View the full article Link to comment Share on other sites More sharing options...
Chris Merkord Posted March 18, 2013 Author Share Posted March 18, 2013 A graph from the study showing the steep decline in road killed swallows over time, in spite of increasing populations High-Speed Evolution: Cars Driving Change In Cliff SwallowsDiscover Magazine (blog) I imagine that adjusting to life around humans, with all our buildings and fast-moving transport mechanisms, is tough for a bird. It’s estimated that some 80 million birds are killed in motor vehicle collisions every year, and with an ever-growing population of people driving around and paving roads in more remote areas, things must be getting harder and harder for the animals we share our world with. But, the American Cliff Swallow (Petrochelidon pyrrhonota) isn’t one to let people ruin the neighborhood. More and more, their huge nesting populations can be found in man-made structures like bridges and overpasses, and have even become cultural fixtures in areas like California. Their new nesting sites allow them to survive even as their former habitat disappears, but it comes at a cost: by living near roadways, the birds are more at risk than ever of being on the wrong end of an oncoming vehicle.View the full article Link to comment Share on other sites More sharing options...
Chris Merkord Posted March 18, 2013 Author Share Posted March 18, 2013 iTech Post Evolution via Roadkill Science AAAS The new findings could also apply to birds killed by wind turbines, Hoogland adds, and they illustrate the payoff that can come with careful data collection and observation. "I think the most important lesson from this research is the paramount ... Swallows May Be Evolving to Dodge TrafficScientific American Birds might be evolving to dodge vehiclesRochester Democrat and Chronicle Are Birds Evolving To Dodge Cars?iTech Post all 34 news articles » View the full article Link to comment Share on other sites More sharing options...
Chris Merkord Posted March 18, 2013 Author Share Posted March 18, 2013 Scientific American Swallows May Be Evolving to Dodge Traffic Scientific American Together with Mary Bomberger Brown, a ornithologist at the University of Nebraska–Lincoln, Brown tracked roadside populations of cliff swallows (Petrochelidon pyrrhonota) in western Nebraska for 30 years, mostly to study the birds social behaviors ... and more » View the full article Link to comment Share on other sites More sharing options...
Chris Merkord Posted March 19, 2013 Author Share Posted March 19, 2013 iTech Post Cliff Swallows Evolve to Avoid Traffic Wired The new findings could also apply to birds killed by wind turbines, Hoogland adds, and they illustrate the payoff that can come with careful data collection and observation. “I think the most important lesson from this research is the paramount ... Can Birds Evolve to Avoid Being Road Kill?LiveScience.com Cliff swallows in their nestDiscover Magazine (blog) Are Birds Evolving To Dodge Cars?iTech Post all 27 news articles » View the full article Link to comment Share on other sites More sharing options...
Chris Merkord Posted March 22, 2013 Author Share Posted March 22, 2013 Evolution may keep birds from becoming roadkill MyFox Philadelphia College students who use marijuana and other illegal substances, even occasionally, are more likely to leave school than students who don't dabble in drugs, new research finds. College .... The Cornell Lab of Ornithology has more about cliff swallows. and more » View the full article Link to comment Share on other sites More sharing options...
Chris Merkord Posted March 22, 2013 Author Share Posted March 22, 2013 Evolution may keep birds from becoming roadkill Fox 54 College students who use marijuana and other illegal substances, even occasionally, are more likely to leave school than students who don't dabble in drugs, new research finds. College .... The Cornell Lab of Ornithology has more about cliff swallows. and more » View the full article Link to comment Share on other sites More sharing options...
Chris Merkord Posted April 15, 2013 Author Share Posted April 15, 2013 Nature's Way: Swallows adapting to road risk Press of Atlantic City There are few cliffs in flat and sandy South Jersey, so we don't have the namesake nesting habitat for this bird. The nearest big colony ... And if a female produces too many eggs for her nest, she might lay one in another nest nearby or even pick one ... View the full article Link to comment Share on other sites More sharing options...
Chris Merkord Posted May 28, 2013 Author Share Posted May 28, 2013 Evolution Driven by Humans' Unnatural Selections Discovery News One bird may be evolving to dodge vehicles. Over the last 30 years, a decreasing number of cliff swallows have been killed along roads in southwestern Nebraska, according to research published in Current Biology. At the same time, ornithologists' ... View the full article Link to comment Share on other sites More sharing options...
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