science top stories popular news  

Daily non-political popular news in brief.

Eavesdropping nuthatches distinguish danger threats in chickadee alarm calls

03-19-2007 · EurekAlert!

The first example of an animal making sophisticated decisions about the danger posed by a predator from the information contained in the alarm calls of another species has been discovered.

Read more »

Keywords: eavesdropping, nuthatches, distinguish, danger, threats, chickadee, alarm, calls, nuthatche, threat, call

« Previous | Next »

Similar news on "Eavesdropping nuthatches distinguish danger threats in chickadee alarm calls":

  1. Toddlers engage in 'emotional eavesdropping' to guide their behavior
    03-26-2007 · EurekAlert!
    Little children never cease to amaze. University of Washington researchers have found that 18-month-old toddlers engage in what they call "emotional eavesdropping" by listening and watching emotional reactions directed by one adult to another and then using this emotional information to shape their own behavior.
    Similar news · Read more »
  2. Satellite tracking reveals threats to Borneo pygmy elephants
    08-08-2007 · EurekAlert!
    A new WWF study tracking pygmy elephants by satellite shows that the remaining herds of these endangered elephants, which live only on the island of Borneo, are under threat from forest fragmentation and loss of habitat. Borneo pygmy elephants depend for their survival on forests situated on flat, low lands and in river valleys, the study found. Unfortunately, it is also the type of terrain preferred for commercial plantations.
    Similar news · Read more »
  3. The love song of male túngara frogs
    02-08-2007 · EurekAlert!
    Male túngara frogs produce two types of calls to attract females: simple and complex. Female túngara frogs, as well as unintended receivers such as frog-eating bats and blood-sucking flies, prefer complex to simple mating calls. Bernal et al. tested whether bats and flies prefer complex calls because they indicate higher quality males and/or higher male density. The authors found that call complexity indicate higher abundance of prey/host.
    Similar news · Read more »
  4. Americans consider global warming an urgent threat, according to poll
    10-01-2007 · EurekAlert!
    A growing number of Americans consider global warming an important threat that calls for drastic action, and 40 percent say that a presidential candidate's position on the issue will strongly influence how they vote, according to a national survey conducted by Yale University, Gallup and the ClearVision Institute.
    Similar news · Read more »
  5. Call for Europe to lead in revitalizing family planning agenda in world's poorest countries
    11-02-2006 · EurekAlert!
    A leading population expert will today make a plea for a revitalization of the family planning agenda in the world's poorest countries, cautioning that soaring population rates are now a bigger threat to achieving the MDGs than HIV/AIDS.
    Similar news · Read more »
  6. Novel audio telescope heeds call of the wild... birds
    11-09-2006 · EurekAlert!
    Researchers at NIST, Intelligent Automation, Inc., and the University of Missouri-Columbia have modified a NIST-designed microphone array to make an 'audio telescope' that could help airports more efficiently avoid costly and hazardous bird-aircraft collisions by locating and identifying birds by their calls.
    Similar news · Read more »
  7. Report highlights inadequate pandemic planning as a threat to EU security
    10-10-2007 · EurekAlert!
    A report to be published in an upcoming issue of the World Health Organization Bulletin will call for urgent attention to the politically sensitive issue of border control, and the need for coherent and robust national plans in the face of a catastrophic flu pandemic.
    Similar news · Read more »
  8. Novel audio telescope heeds call of the wild ... birds
    11-09-2006 · EurekAlert!
    Researchers at NIST, Intelligent Automation Inc. (Rockville, Md.), and the University of Missouri-Columbia have modified a NIST-designed microphone array to make an "audio telescope" that could help airports more efficiently avoid costly and hazardous bird-aircraft collisions by locating and identifying birds by their calls.
    Similar news · Read more »
  9. Batter out: Umpires likely to favor pitchers of the same race or ethnicity
    08-13-2007 · EurekAlert!
    Umpires for Major League Baseball are more likely to call strikes in favor of pitchers who share their race or ethnicity, according to new research from the University of Texas at Austin.But, this behavior diminishes when scrutiny of umpire calls increases -- for example at ballparks with electronic monitoring systems, when there are three balls or two strikes, or at well-attended games.
    Similar news · Read more »
  10. Predicting danger of flu pandemic rests on differences in affected population, says O.R. Forum
    06-18-2007 · EurekAlert!
    Scientists studying the potential spread of a flu pandemic must be careful to distinguish the different rates of infection among different groups, including the sociable and the shy, those most susceptible to infection and those less so, according to a new study in the “O.R. Forum” section of Operations Research, a flagship journal of The Institute for Operations Research and the Management Sciences (INFORMS).
    Similar news · Read more »