Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Birds plan for future meals

22.02.2007
New research shakes belief that forethought is unique to humans

Some birds recognise the idea of ‘future’ and plan accordingly, researchers at the University of Cambridge have discovered. According to their findings, published today in the journal Nature, western scrub-jays will store food items they believe will be in short supply in the future.

Planning for the future is a complex skill that was previously believed to be unique to humans. Other animals were perceived to be incapable of dissociating themselves from the present and any current motivation. Sometimes animals may appear to recognise future needs, but they are only exhibiting behaviours that are either instinctual (e.g. nest building) or prompted by immediate needs like hunger (e.g. food hoarding).

In order to determine whether some animals plan for future food needs or are simply acting on instinct, Professor Nicky Clayton and her team at the Department of Experimental Psychology tested the western scrub-jay.

... more about:
»Peanut »compartment »scrub-jay

Every morning, eight scrub-jays either were allowed into the compartment with ‘no breakfast’ or the compartment with ‘breakfast’. They were then allowed to eat for the rest of the day. After several days, the birds were then provided with pine nuts suitable for caching (hoarding) in the evening. In anticipation of a morning without breakfast, the scrub-jays consistently hid food in the ‘no breakfast’ compartment rather than the ‘breakfast’ compartment, demonstrating an understanding of future needs (rather than just their immediate needs).

In a similar experiment, the scrub-jays were given either dog food in one compartment or peanuts in a second compartment for breakfast. When they were allowed to cache either food where they liked in the evenings, they once again demonstrated an understanding of future needs and a desire for a varied diet by hoarding peanuts in the dog food compartment and dog kibble in the peanut compartment. If they were caching for current hunger, they would not have discriminated between the types of food or the location of the cache.

Professor Nicky Clayton said, “The western scrub-jays demonstrate behaviour that shows they are concerned both about guarding against food shortages and maximising the variety of their diets in the future. It suggests they have advanced and complex thought processes as they have a sophisticated concept of past, present and future, and factor this into their planning.”

Together with her colleague Professor Tom Dickinsons, Professor Clayton and her team have published a number of papers demonstrating the remarkable memories of scrub-jays. Some forms of memory and future thinking are believed to be linked in the human brain and the scientists were interested to see if the same might be true of the scrub-jay brain.

Genevieve Maul | EurekAlert!
Further information:
http://www.cam.ac.uk

Further reports about: Peanut compartment scrub-jay

More articles from Life Sciences:

nachricht New Model of T Cell Activation
27.05.2016 | Albert-Ludwigs-Universität Freiburg im Breisgau

nachricht Fungi – a promising source of chemical diversity
27.05.2016 | Leibniz-Institut für Naturstoff-Forschung und Infektionsbiologie - Hans-Knöll-Institut (HKI)

All articles from Life Sciences >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Worldwide Success of Tyrolean Wastewater Treatment Technology

A biological and energy-efficient process, developed and patented by the University of Innsbruck, converts nitrogen compounds in wastewater treatment facilities into harmless atmospheric nitrogen gas. This innovative technology is now being refined and marketed jointly with the United States’ DC Water and Sewer Authority (DC Water). The largest DEMON®-system in a wastewater treatment plant is currently being built in Washington, DC.

The DEMON®-system was developed and patented by the University of Innsbruck 11 years ago. Today this successful technology has been implemented in about 70...

Im Focus: Computational high-throughput screening finds hard magnets containing less rare earth elements

Permanent magnets are very important for technologies of the future like electromobility and renewable energy, and rare earth elements (REE) are necessary for their manufacture. The Fraunhofer Institute for Mechanics of Materials IWM in Freiburg, Germany, has now succeeded in identifying promising approaches and materials for new permanent magnets through use of an in-house simulation process based on high-throughput screening (HTS). The team was able to improve magnetic properties this way and at the same time replaced REE with elements that are less expensive and readily available. The results were published in the online technical journal “Scientific Reports”.

The starting point for IWM researchers Wolfgang Körner, Georg Krugel, and Christian Elsässer was a neodymium-iron-nitrogen compound based on a type of...

Im Focus: Atomic precision: technologies for the next-but-one generation of microchips

In the Beyond EUV project, the Fraunhofer Institutes for Laser Technology ILT in Aachen and for Applied Optics and Precision Engineering IOF in Jena are developing key technologies for the manufacture of a new generation of microchips using EUV radiation at a wavelength of 6.7 nm. The resulting structures are barely thicker than single atoms, and they make it possible to produce extremely integrated circuits for such items as wearables or mind-controlled prosthetic limbs.

In 1965 Gordon Moore formulated the law that came to be named after him, which states that the complexity of integrated circuits doubles every one to two...

Im Focus: Researchers demonstrate size quantization of Dirac fermions in graphene

Characterization of high-quality material reveals important details relevant to next generation nanoelectronic devices

Quantum mechanics is the field of physics governing the behavior of things on atomic scales, where things work very differently from our everyday world.

Im Focus: Graphene: A quantum of current

When current comes in discrete packages: Viennese scientists unravel the quantum properties of the carbon material graphene

In 2010 the Nobel Prize in physics was awarded for the discovery of the exceptional material graphene, which consists of a single layer of carbon atoms...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

Networking 4.0: International Laser Technology Congress AKL’16 Shows New Ways of Cooperations

24.05.2016 | Event News

Challenges of rural labor markets

20.05.2016 | Event News

International expert meeting “Health Business Connect” in France

19.05.2016 | Event News

 
Latest News

11 million Euros for research into magnetic field sensors for medical diagnostics

27.05.2016 | Awards Funding

Fungi – a promising source of chemical diversity

27.05.2016 | Life Sciences

New Model of T Cell Activation

27.05.2016 | Life Sciences

VideoLinks
B2B-VideoLinks
More VideoLinks >>>