Researchers have reported on a new species of bird , in the wilson , journal of ornithology .
研究人员报告了一种新的鸟类,在威尔逊鸟类学杂志。
Ornithology , the study of birds , is one of the major scientific fields in which amateurs play a role in accumulating , researching and publishing data .
Birders often plan travel to festivals to see more birds and they may take photography or basic ornithology classes to expand their knowledge and enjoyment of the hobby .
Natural england , the government 's environmental body , and the british trust for ornithology , are so worried that they have issued new guidance for postmortems on wild birds in the hope of establishing the long-term effects of such equipment .
John fitzpatrick , director of the cornell laboratory of ornithology and one of the leading figures in the search for the woodpecker , agrees there is a high probability that the bird is gone .
With advice from aves argentinas , the country 's ornithology body , hotel staff had recently cut trails designed to showcase the 312 bird species found on the property .
The british trust for ornithology found that , in the period 1971-1995 , 51 species of birds tended to nest and lay eggs earlier ( around a week or more on average ) as background temperatures increased .