For over a century, speciation—where one species splits into two—has been a central focus of evolutionary research. But a new study almost 20 years in the making suggests "speciation reversal"—where two distinct lineages ...
Ecology
Mar 2, 2018
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249
More than 170 years after Edgar Allan Poe's fictional raven croaked, "Nevermore," scientists are reporting that real-life ravens think about the future.
Plants & Animals
Jul 13, 2017
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311
(Phys.org)—A small team of researchers from Austria and Sweden has found that ravens are able to remember people who trick them for at least two months. In their paper published in the journal Animal Behavior, the group ...
A 40,000 year old piece of raven bone that was etched with near-even lines suggests Neanderthals had an eye for esthetics, French researchers said Wednesday.
Archaeology
Mar 30, 2017
8
223
Ravens have impressive cognitive skills when interacting with conspecifics – comparable to many primates, whose social intelligence has been related to their life in groups. An international collaboration of researchers ...
Plants & Animals
Mar 23, 2017
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88
Like many social mammals, ravens form different types of social relationships – they may be friends, kin, or partners and they also form strict dominance relations. From a cognitive perspective, understanding one's own ...
Plants & Animals
Apr 23, 2014
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0
(Phys.org) —Small robotic birds are showing lots of promise for tasks such as monitoring the environment and conducting surveillance. But one current drawback they have is the amount of time they are able to stay aloft. ...
Energy & Green Tech
Oct 16, 2013
1
0
In daily life we remember faces and voices of several known individuals. Similarly, mammals have been shown to remember calls and faces of known individuals after a number of years. Markus Boeckle and Thomas Bugnyar from ...
Plants & Animals
Apr 19, 2012
2
0
Game theory models predicted that young ravens gain the greatest advantage from hunting in a pack. Now the young birds have figured this out for themselves, and form gangs to oust older raven pairs from tasty carcasses.
Plants & Animals
May 22, 2009
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0
Vultures, hyenas, and Tasmanian devils are highly efficient scavengers, able to locate and consume carrion rapidly, including the meat and bones.
Plants & Animals
Feb 17, 2023
0
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