birds-凯发k8官网

10-09-01 it may seem like birds have the freedom to fly wherever they like, but researchers at the university of missouri have shown that what's on the ground has a great effect on where a bird flies. this information could be used by foresters（林木工人） a...

10-07-14 scientists studying ancient species migration believe northern birds had the ability to colonise continents that southern species lacked. the research, published in ecography（描述生态学） , reveals how the ancient 'land bridge' of panama, which fir...

10-06-27 us scientists reports discovery of a new mechanism of avian influenza（禽流感） virus circulation and transmission in nature a team of scientists, led by mauro delogu, virologist（滤过性病原体学者） from the veterinary faculty of the bologna univers...

10-05-20 the nutritional（营养的，滋养的） benefits of organic food have been called into question by new research which shows wild garden birds prefer conventional（常见的，传统的） seed to that which has been organically- grown. a three-year study by newca...

10-01-29 the colour of some feathers on dinosaurs and early birds has been identified for the first time, reports a paper published in nature this week. the research found that the theropod兽脚亚目的 dinosaur sinosauropteryx had simple bristles猪鬃 precursor...

10-01-29 a george washington university expedition to the gobi desert戈壁大沙漠 of china has enabled researchers to solve the puzzle of how one group of dinosaurs came to look like birds independent of独立的，不受约束的 birds. the discovery extends the fossi...

10-01-26 a joint team from the university of kansas and northeastern university in china says that it has settled the long-standing question of how bird flight began. in the jan. 25 issue of proceedings of the national academy of sciences, the ku-china resea...

10-01-18 alligators and birds share a breathing mechanism which may have helped their ancestors dominate earth more than 200 million years ago, scientists say. 科学家称，短吻鳄与鸟类有着相同的呼吸机制，这可能有助于它们的祖先在2亿年前统治地球。 how do alligat...

10-01-15 university of utah scientists discovered that air flows in one direction as it loops through依次通过 the lungs of alligators短吻鳄鱼 , just as it does in birds. the study suggests this breathing method may have helped the dinosaurs' ancestors domina...

09-11-07 fried chicken in class the teacher showed pictures of various birds. then he asked one of the students, what kind of bird do you like best, jack? jack thought a moment, then answered, fried chicken, sir. 喜欢炸鸡 老师在课堂上向学生们展示了各种各样的...