Navigation Links
Clever tool use in parrots and crows
Date:6/10/2011

f the two species. The researchers from the University of Vienna cooperated with their colleagues from the Department for Zoology of the University of Oxford. They confronted six kea and five New Caledonian crows with a Multi Access Box in a transparent plexiglas cube. Each side wall represented another possible solution to achieve the same food reward which was presented on a platform in the center of the box. Alice Auersperg, who is corresponding author to this publication and who conducted the study, explains: "The animals could choose between pulling a string which was tied around the reward, pulling a hook-shaped lever to open a window, inserting a marble (compact tool) into a curved ball-path leading towards the reward or inserting a rod-shaped stick-tool into an opening and maneuver it over a gap towards the food in order to push the reward off its platform."

Gyula Gajdon, who is a co-author from the Department of Cognitive Biology in Vienna, adds: "The animals could choose which solution they wanted to employ first. Once they had established a solution and had used it a certain number of times we blocked the entrance, forcing them to switch to another. This way we could observe not only the differences in the order of solutions that the animals established but also how quickly they were able to switch."

Species champions "Kermit" und "Uek"

Just one animal of each species accomplished all four solutions. The most difficult solution for the kea was the use of a stick-like object as a tool. This is not surprising since the kea is not a natural tool user in the wild. Additionally, maneuvering an elongated tool inside a curved beak is a highly complex motor task. "It is therefore all the more impressive that Kermit succeeded to overcome this handicap. The strategy he used gives the strong impression that he acted in a goal directed matter," states Ludwig Huber.

The greatest challenge for the crow was to open a win
'/>"/>

Contact: Ludwig Huber
ludwig.huber@univie.ac.at
University of Vienna
Source:Eurekalert  

Page: 1 2 3 4

Related biology news :

1. Listeria clever at finding its way into bloodstream, causing sickness
2. Honest crabs, power to the hungry, nice mice and clever meerkats: News from the American Naturalist
3. Tiger-parrots show their true evolutionary stripes
4. Some vocal-mimicking animals, particularly parrots, can move to a musical beat
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Clever tool use in parrots and crows
(Date:7/13/2014)... New research raises the prospect of more effective treatments ... occurring in about half of all cancer patients, raising ... Cancer Institute. , Many strategies have been tried to ... patients can,t endure potentially life-saving treatments, but none have ... 13 advanced online edition of Nature , led ...
(Date:7/11/2014)... Society for Bone and Mineral Research awarded Michael F. ... (BUSM), with the 2014 Louis V. Avioli Award. Holick, ... is internationally known for revolutionizing the understanding of vitamin ... The award honors a member of the American Society ... to bone and mineral basic research. It is named ...
(Date:7/11/2014)... from The Chinese University of Hong Kong, BGI and ... linked to salt tolerance, with implication for improving this ... published online in Nature Communications provides an ... improvement. , Soybean is an important crop for the ... have less genetic diversities than their wild counterparts. Among ...
Breaking Biology News(10 mins):Antibody halts cancer-related wasting condition 2Antibody halts cancer-related wasting condition 3BUSM's Michael F. Holick receives American Society for Bone and Mineral Research award 2BGI reports a novel gene for salt tolerance found in wild soybean 2
... study, which was directed by Scripps Research Professor ... September 8 issue of The Journal of Biological ... than the one previously suggested-for the biosynthesis of ... endogenous cannabinoid ("endocannabinoid") anandamide. The high activity of ...
... Yujiang Song have discovered a better way to see where ... that produces novel hollow platinum nanostructures. , The research will ... German chemical journal Angewandte Chemie Int. Ed. In advance of ... the journal's web site. , Sandia is a National ...
... a common heavy metal are unable to obtain sufficient ... a new study presented at The American Physiological Society ... how cadmium, a heavy metal, reduces the oyster's tolerance ... during the summer when water temperatures rise. Half of ...
Cached Biology News:Study shows enzyme builds neurotransmitters via newly discovered pathway 2Sandia researchers discover way to see how a drug attaches to a cell 2Rising ocean temperatures, pollution have oysters in hot water 2Rising ocean temperatures, pollution have oysters in hot water 3Rising ocean temperatures, pollution have oysters in hot water 4
(Date:7/10/2014)... 2014 Senior supply chain management executives ... addressed the challenges of “Reducing Cost, Lead Time, & ... strategic sourcing. Describing the partnership of the Bio Supply ... Management Institute ( SCMI) of the University of ... at the Kroc Institute of Peace and Justice in ...
(Date:7/10/2014)... Utah , July 10, 2014 /PRNewswire-iReach/ ... annotation and interpretation, today announced an agreement ... (NGS) analytics for Lineagen,s NextStep Dx ... of neurodevelopmental and neurological disorders, currently offers ... microarray (CMA) testing service used by healthcare ...
(Date:7/10/2014)... in the fight against terrorism with the creation of ... with the use of light and special glass fibres. ... B: Chemical , the researchers describe a novel optical ... low as 6.3 ppm (parts per million). It requires ... "Traditionally explosives detection has involved looking for metals that ...
(Date:7/10/2014)... have observed the fractional quantum Hall effect in bilayer ... can be tuned by an electric field. , ... electrons confined to thin sheets are exposed to large ... where thousands of individual electrons behave as a single ... is well established, many details of this collective behavior ...
Breaking Biology Technology:Biotech & Biopharm Supply Chain Management Executives Launch BSMA in San Diego 2Biotech & Biopharm Supply Chain Management Executives Launch BSMA in San Diego 3Biotech & Biopharm Supply Chain Management Executives Launch BSMA in San Diego 4Tute Genomics Platform Selected to Provide Clinical Interpretation for Lineagen's NextStepDx PLUS Next-Generation Sequencing-Based Diagnostic Test 2Tute Genomics Platform Selected to Provide Clinical Interpretation for Lineagen's NextStepDx PLUS Next-Generation Sequencing-Based Diagnostic Test 3Tute Genomics Platform Selected to Provide Clinical Interpretation for Lineagen's NextStepDx PLUS Next-Generation Sequencing-Based Diagnostic Test 4Detecting trace amounts of explosives with light 2Columbia researchers observe tunable quantum behavior in bilayer graphene 2Columbia researchers observe tunable quantum behavior in bilayer graphene 3
... H.C. Birnboim , DNA Genotek, ... Oragene gives higher DNA yields than other oral, collection ... g. In comparison, buccal, swabs may yield as little as 1.9 ... Introduction , The number of studies ...
, , Daniel G. Flowers and Lloyd A. Culp, Ph.D., , , , back to top...
... Julie Chang, Bio-Rad Laboratories, Inc., 2000 Alfred Nobel ... Introduction , ... throughput and automating the sequencing process. This high-throughput , ... laboratories, driving such , achievements as the ...
Cached Biology Technology:DNA Yield with Oragene 2Comparison of Commercial Dye Terminator Removal Kits, Rev A 2Comparison of Commercial Dye Terminator Removal Kits, Rev A 3Comparison of Commercial Dye Terminator Removal Kits, Rev A 4Comparison of Commercial Dye Terminator Removal Kits, Rev A 5
Adenylate kinase isoenzyme 6...
...
Goat polyclonal to Rabenosyn 5 ( Abpromise for all tested applications). Antigen: Synthetic peptide: ELKHTLAKQKGGTD, corresponding to C terminal amino acids 771-784 of Human Rabenosyn 5. Entr...
... ( Abpromise for all tested ... Synthetic peptide derived from residues 231 ... (Note: the amino acid sequence is ... Entrez Gene ID: 80829 ...
Biology Products: