Navigation Links
Keeping an ear out for kin
Date:5/19/2010

Bats can distinguish between the calls of their own and different species with their echolocation calls, report scientists of the Max Planck Institute for Ornithology in Seewiesen. This applies even for species closely related and ecologically similar with overlap of call frequency bands (The American Naturalist online, May 11th 2010).

As opposed to bird song or the human voice, echolocation calls are primarily used for spatial orientation and search for food and not for communication. Bat species with similar ecological requirements use similar echolocation calls. However, it was recently shown that bats are able to distinguish conspecifics by their individual calls, somewhat similar to how humans can recognize others by voice.

Now, Maike Schuchmann and Bjrn Siemers of the Max Planck Institute for Ornithology in Seewiesen have been able to prove that echolocation calls carry more information than assumed. As humans are able to recognize different languages, bats can not only distinguish their own calls from calls of other species, but also differentiate between different species, even if there is an overlap in the call frequency bands.

The scientists set up behavioural experiments with two horseshoe bat species in Bulgaria. They played echolocation calls of the bats' own species or calls of three different species through ultrasonic loudspeakers and analysed the animals' reaction. Both bat species hardly made a mistake in their distinction, neither between own and foreign calls nor foreign and foreign calls. "Discrimination was however easier for the bats when the call frequency bands were clearly separated from their own", says Maike Schuchmann, first author of the study.

This result is exciting but immediately opens up new questions: "Follow-up experiments are necessary to test whether the bats indeed use their ability for acoustic species discrimination in the wild", says Bjrn Siemers. It could be an advantage for the bats to get out of the way of competitively superior species in their hunting grounds. On the other hand, following a heterospecific with the same roosting requirements may be beneficial for finding new shelters. Research in that direction can deepen our understanding of the sensory and cognitive basis of species interactions on a community level.


'/>"/>

Contact: Bjoern Siemers
siemers@orn.mpg.de
49-815-793-2348
Max-Planck-Gesellschaft
Source:Eurekalert  

Related biology news :

1. Keeping the weight off after a very low-energy diet
2. Time-keeping brain neurons discovered
3. Eating right, not supplements, is best at keeping your good bacteria healthy, dietitian says
4. Keeping DNA all in the family
5. Study: Young Arctic muskoxen better at keeping warm than scientists thought
6. Study on keeping nuclear bombs from US ports shows misplaced fear over cargo scanning cost
7. Keeping golf courses green when fresh water is limited
8. Researchers unzip molecules to measure interactions keeping DNA packed in cells
9. Wistar scientists find key to keeping killer T cells in prime shape for fighting infection, cancer
10. Keeping chromosomes from cuddling up
11. A second career for a growth factor receptor: keeping nerve axons on target
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Keeping an ear out for kin
(Date:12/15/2016)... and BADEN-BADEN, Germany , December ... leading global financial services provider, today announced an agreement with ... behavioural biometrics, to join forces. The partnership will enable clients ... strategies in compliance with local data protection regulation. ... In order to ...
(Date:12/15/2016)... Advancements in biometrics will radically ... wellbeing (HWW), and security of vehicles by ... vehicles begin to feature fingerprint recognition, iris ... monitoring, brain wave monitoring, stress detection, fatigue ... detection. These will be driven by built-in, ...
(Date:12/12/2016)... CLEVELAND , Dec. 12, 2016  Researchers ... commercial possibilities for graphene by combining the material ... a highly sensitive pressure detector able to sense ... of a small spider.  The ... and can be read here:  http://science.sciencemag.org/content/354/6317/1257 ...
Breaking Biology News(10 mins):
(Date:1/24/2017)...  Asterias Biotherapeutics, Inc. (NYSE MKT: AST), a ... today announced positive efficacy results from the company,s ... additional motor function improvement at 6-months and 9-months ... AIS-A patients with complete cervical spinal cord injuries ... function is critically important to patients with complete ...
(Date:1/24/2017)... USA & Geneva, Switerland (PRWEB) , ... January ... ... to announce the first commercially available malaria Plasmodium falciparum culture panels with standard ... falciparum culture panels, which are available in a range of concentrations from six ...
(Date:1/24/2017)... ... January 23, 2017 , ... Oklahoma City based Sigma Blood ... for the firm’s PERFEQTA software and legacy product QC Manager 2.0. , Sigma ... team at CJBC and thrilled that they have decided to implement PERFEQTA and QC ...
(Date:1/24/2017)... - BioAmber Inc. (NYSE: BIOA ) today announced ... Rodman & Renshaw, a unit of H.C. Wainwright ... representative of several underwriters, under which the underwriters have ... minimum of 2,105,264 shares of common stock of the ... 1,052,632 shares of common stock of the Company with ...
Breaking Biology Technology: