English
全部
搜索
图片
视频
地图
资讯
更多
购物
航班
旅游
酒店
笔记本
Top stories
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
过去 24 小时
时间不限
过去 1 小时
过去 7 天
过去 30 天
按相关度排序
按时间排序
资讯
生物通
9 小时
羽毛同位素分析揭示欧洲记录的近 ctic 迁徙陆鸟迷鸟的起源之谜
鸟类迁徙一直是科学界备受关注的现象,其中迷鸟(vagrancy)的出现更是充满神秘色彩。为探究在欧洲出现的近 ctic 迁徙陆鸟迷鸟的来源,研究人员对 72 只鸟的羽毛进行氢同位素(δ2Hf)分析。结果发现其起源多样,该研究为了解鸟类迁徙及新区域殖民化提供了重要依据。
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
今日热点
To retire from Berkshire
Albanese wins re-election
Ruled unfit to stand trial
Asks to terminate TPS
CDC: 216 child deaths
DOJ settles Babbitt lawsuit
2 shot on college campus
Today in history: 1959
Simi Valley plane crash
Reduces Newark flights
Release delayed until 2026
Van crash near Yellowstone
Judge blocks Trump order
Google's ad tech trial set
Kerley arrested for battery
US designates Haitian gangs
Eta Aquarid meteor shower
Slams attacks on judges
Seeks family reconciliation
CIA to shrink workforce
Partnering with Anthropic
Apple approves app update
To visit White House
2nd teen charged with arson
Microsoft hikes prices
OR homeless camp eviction
USDA settles with Maine
Former Illinois governor dies
2025 Kentucky Derby winner
Steps down as Spurs coach
RU drone attack in Kharkiv
反馈