How do birds understand 'foreign' calls?
Fais attention! Serpent!
Plants & Animals
May 19, 2020
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Page 4 - News tagged with alarm
The smell of fear warns other voles
Many encounters between predators and prey take place in dense vegetation. Predators lurk and wait for the best moment to attack, but are seldom visible. For a prey animal, the smell of a predator is one of many signals for ...
Plants & Animals
Apr 20, 2020
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Black rhinos eavesdrop on the alarm calls of hitchhiking oxpeckers to avoid humans
In Swahili, red-billed oxpeckers are called Askari wa kifaru, or "the rhino's guard." Now, a paper appearing April 9 in the journal Current Biology suggests that this indigenous name rings true: red-billed oxpeckers may act ...
Plants & Animals
Apr 9, 2020
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Honeyeaters send lightning-fast warning signals
New Holland honeyeaters are experts at sounding the alarm when there's danger, according to new research from biologists at The Australian National University (ANU) and the University of Cambridge.
Plants & Animals
Mar 31, 2020
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When warblers warn of cowbirds, blackbirds get the message
This is the story of three bird species and how they interact. The brown-headed cowbird plays the role of outlaw: It lays its eggs in other birds' nests and lets them raise its young—often at the expense of the host's nestlings. ...
Plants & Animals
Mar 31, 2020
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Researchers study how birds retweet news
Every social network has its fake news. And in animal communication networks, even birds discern the trustworthiness of their neighbors, a study from the University of Montana suggests.
Plants & Animals
Feb 14, 2020
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Researchers demonstrate first stable semiconductor neutron detector
Homeland Security might soon have a new tool to add to its arsenal.
General Physics
Jan 15, 2020
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Laser-based system detects fires even in dusty, harsh environments
Researchers have developed a new laser-based system that offers an efficient and low-cost way to detect fires in challenging environments such as industrial facilities or large construction sites. With further development, ...
Optics & Photonics
Sep 25, 2019
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Cable ties probably won't stop magpie attacks
Every spring in Australia is heralded by reports of magpies swooping at people. While it is of little comfort to those at the receiving end of a surprise attack, such events are actually quite rare when one considers the ...
Ecology
Sep 19, 2019
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Monarch butterflies rely on temperature-sensitive internal timer while overwintering
The fact that millions of North American monarch butterflies fly thousands of miles each fall and somehow manage to find the same overwintering sites in central Mexican forests and along the California coast, year after year, ...
Plants & Animals
Jul 24, 2019
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