搜索结果: 1-15 共查到“birds”相关记录104条 . 查询时间(0.043 秒)
Birds’ eye size reflects habitat and diet, may predict sensitivity to environmental change
birds visual environmental change deforestation
2021/8/10
A new study shows the eye size of birds can reveal broad patterns of their biology and behavior, including where they live, what they eat and how they hunt, providing a potential roadmap for future co...
How do birds breathe so efficiently? Looped airways facilitate air flows（图）
birds breathe efficiently Looped airways facilitate air flows
2021/4/9
Birds breathe with greater efficiency than humans because of the structure of their lungs --looped airways that facilitate air flows that go in one direction -- a team of researchers has found. The re...
In a desert seared by climate change, burrowers fare better than birds（图）
desert seared climate change burrowers fare birds
2021/3/5
In the arid Mojave Desert, small burrowing mammals such as the cactus mouse, the kangaroo rat and the white-tailed antelope squirrel are weathering the hotter, drier conditions triggered by climate ch...
Noise and light pollution affect breeding habits in birds（图）
Noise light pollution breeding habits birds
2020/12/11
Looking for a bird's-eye view of human impacts? A new study, published in the journal Nature, provides the most comprehensive picture yet of how human noise and light pollution affect birds throu...
A new study by scientists at the Cornell Lab of Ornithology and other institutions confirms that most birds -- but not all -- synchronize their migratory movements with seasonal changes in v...
Metallic blue fruits use fat to produce color and signal a treat for birds（图）
Metallic blue fruits produce color signal treat for birds
2020/8/21
Researchers have found that a common plant owes the dazzling blue color of its fruit to fat in its cellular structure, the first time this type of color production has been observed in nature.The plan...
Diversity plays a key role in maintaining the stability of plant and animal life. But it's difficult to scale up smaller experiments to understand how changes will impact larger ecosystems.A new study...
Do Coarser Gap Mosaics in Conifer Plantations Induce More Seed Dispersal by Birds? Temporal Changes during 12 Years after Gap Creation
seed dispersal bird-dispersed seed conifer plantation gap mosaic temporal change
2024/2/28
The creation of canopy gaps is thought to be an efficient silvicultural operation to diversify species composition of monoculture conifer plantations; however, the shortage of regeneration materials i...
New study finds U.S. and Canada have lost more than 1 in 4 birds in past 50 years（图）
U.S. Canada lost birds past 50 years
2019/10/18
Since 1970, bird populations in the U.S. and Canada have declined by 29%, or almost 3 billion birds, signaling a widespread ecological crisis, a study published in the journal Science reveals. The res...
How can birds that weigh less than an AA battery live through the immense power of Atlantic hurricanes? A new study in Ecology Letters finds that some coastal birds survive because their populations c...
Using artificial intelligence to track birds' dark-of-night migrations（图）
artificial intelligence track birds dark-of-night migrations
2019/10/18
Every year during spring and fall migration, tens of millions of birds take flight at sunset and pass over our heads, unseen in the night sky.The National Weather Service has recorded the birds' migra...
Under the watchful eyes of five high-speed cameras, a small bird named Gary waits for the signal to fly. Diana Chin, a researcher at Stanford University and Gary's trainer, points her finger to a perc...
Scientists discover how birds navigate crosswinds（图）
Scientists birds navigate crosswinds
2019/10/23
While pilots rely on radio signals, advanced computations and other tools to keep them on course during strong crosswinds, birds can naturally navigate these demanding conditions -- in environments wi...
Phoenix is losing birds, but homeowners' plants offer habitat for avian desert-dwellers（图）
Phoenix losing birds homeowners plants habitat avian desert-dwellers
2019/11/22
Find related stories on NSF's Long-Term Ecological Research Program at this link.Ecologists have long wondered about the impact of urbanization on bird biodiversity. Are cities with higher avian biodi...
云南师范大学商学院英语阅读课件 Migratory Birds and Coffee。