News tagged with crows
Crows can use 'up to three tools'
Aug 05, 2009 |
4.9 / 5 (29) |
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(PhysOrg.com) -- New experiments by Oxford University scientists reveal that New Caledonian crows can spontaneously use up to three tools in the correct sequence to achieve a goal, something never before observed ...
Incest can lead to more disease in offspring, crow study finds
Mar 25, 2009 |
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(PhysOrg.com) -- Crows that are the product of incest are more susceptible to diseases, according to a new Cornell study published online this month in the journal Proceedings of the Royal Society B. ...
Search results for crows
New caledonian crows find 2 tools better than 1
Biology /
Aug 16, 2007 |
4.7 / 5 (18) |
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Researchers have found that New Caledonian crows—which are known to make complex food-getting tools in the wild—can also spontaneously use one tool on another to get a snack. The researchers report their findings online August ...
'Crowcam' spies on clever birds
Biology /
Oct 05, 2007 |
4.7 / 5 (10) |
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A new technique developed by Oxford University zoologists enables researchers to ‘hitch a ride’ with wild birds and witness their natural and undisturbed behaviour.
Necessity is the mother of invention for clever birds (w/Videos)
May 25, 2009 |
4.8 / 5 (12) |
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Researchers at the Universities of Cambridge and Queen Mary, University of London have found that rooks, a member of the crow family, are capable of using and making tools, modifying them to make them work and using two tools ...
Livestock grazing and predatory birds combined may trouble farmland wading birds
Biology /
Apr 04, 2008 |
5 / 5 (2) |
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Ecologists have shown that high densities of predatory birds together with high levels of livestock grazing can result in breeding failure among farmland wading birds.
Gene Mutation Turned West Nile Virus Into Killer Disease Among Crows
Aug 12, 2007 |
4.3 / 5 (8) |
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A gene mutation that appears to be responsible for changing relatively mild forms of the West Nile virus into a highly virulent and deadly disease in American crows has been identified by a team of scientists led by a researcher ...
Do Chicago’s suburbs hold the key to understanding West Nile virus?
Jul 23, 2009 |
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(PhysOrg.com) -- When Tony Goldberg is not whacking through the brush of central Africa, one of the world's great cauldrons of emerging human and animal disease, he is scouring another disease hot spot: the ...
Global warming affecting Scottish birds?
Biology /
Jul 03, 2006 |
3 / 5 (3) |
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A survey of Scottish birds finds that global warming may be having an effect, with some once-common birds moving north.
Bird can 'read' human gaze
Apr 02, 2009 |
4.3 / 5 (4) |
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We all know that people sometimes change their behavior when someone is looking their way. Now, a new study reported online on April 2nd in Current Biology, a Cell Press publication, shows that jackdaws—birds related to cro ...
Long feared extinct, rare bird rediscovered
Oct 13, 2009 |
5 / 5 (6) |
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Known to science only by two specimens described in 1900, a critically endangered crow has re-emerged on a remote, mountainous Indonesian island thanks in part to a Michigan State University scientist.
Blue jays may have rebounded in Chicago
Dec 26, 2005 |
4.8 / 5 (5) |
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The Christmas Bird Count in the Chicago area is showing Blue Jays are returning to the region, the Chicago Ornithological Society said.
List of search results for crows
