Northern birds laying eggs earlier.In April, researchers reported that a warmer northern climate appears to have nudged up the arrival of spring (SN: 5/10/97, p. 290). Ornithologists This is a list of ornithologists who have articles, in alphabetical order by surname. See also . A-D
Humphrey Q.P. Crick Crick , Francis Henry Compton 1916-2004. British biologist who with James D. Watson proposed a spiral model, the double helix, for the molecular structure of DNA. He shared a 1962 Nobel Prize for advances in the study of genetics. and his colleagues at the British Trust for Ornithology The British Trust for Ornithology (BTO) is an organisation founded in 1932 for the study of birds in Britain. Activities The BTO carries out research into the lives of birds, chiefly by conducting population and breeding surveys, and by bird ringing, all through the in Thetford analyzed 74,258 records of the trust's breeding data obtained from 65 bird species over 25 years. The researchers found that 20 of the species--including wrens, waders, and magpies--were laying their first eggs significantly earlier. Only one species, the stock dove stock dove n. A common Old World bird (Columba oenas) having grayish plumage. [Probably from its living in hollow tree trunks.] , had shifted to laying eggs later. Given the evidence of warming, "trends toward earlier laying times are expected," the researchers write in the Aug. 7 Nature. They add that the tendency might be beneficial if it gives young birds more time before winter hits, but there would be a downside Downside The dollar amount by which the market or a stock has the potential to fall. Notes: You might hear someone say that the downside on stock XYZ is $10. What that means is that the stock could fall by this amount if things got bad. if it throws off the availability of the birds' usual sources of food. |
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