It can be particularly dangerous for large animals where a fall of up to 30m could be fatal. Scientists found that dangerous tree vibrations can be countered by the orang-utan's ability to move with an irregular rhythm.
Professor Robin Crompton, from the University of Liverpool's School of Biomedical Sciences, explained that these challenges were similar to the difficulties engineers encountered with London's 'wobbly' Millennium Bridge: "The problems with the Millennium Bridge were caused by large numbers of people walking in sync with the slight sideways motion of the bridge.
This regular pattern of movement made the swaying motion of the bridge even worse. We see a similar problem in the movement of animals through the canopy of tropical forests, where there are highly flexible branches.
"Most animals, such as the chimpanzee, respond to these challenges by flexing their limbs to bring their body closer to the branch. Orang-utans, however, are the largest arboreal mammal and so they are likely to face more severe difficulties due to weight. If they move in a regular fashion, like their smaller relatives, we get a 'wobbly bridge' situation, whereby the movement of the branches increases."
Dr Susannah Thorpe, from the University of Birmingham's School of Biosciences, added: "Orang-utans have developed a unique way of coping with these problems; they move in an irregular way which includes upright walking, four-limbed suspension from branches and tree-swaying, whereby they move branches backwards and forwards, with increasing magnitude, until they are able to cross large gaps between trees."
The team studied orang-utans in Sumatra, where the animal is predicted to be the first great ape to become extinct. This new research could further understanding into the way orang-utans use their habitat, which could support new conservation programmes.
Dr Thorpe continued: "If the destruction of forest land does not slow down, the Sumatran orang-utan could be extinct within the next decade. Now that we know more about how they move through the trees and the unique way that they adapt to challenges in their environment we can better understand their needs. This could help with reintroducing rescued animals to the forests and efforts to conserve their environment."
The research is published in Proceedings of the National Academy of Sciences.
Samantha Martin | EurekAlert!
Dune ecosystem modelling
26.06.2017 | Albert-Ludwigs-Universität Freiburg im Breisgau
Understanding animal social networks can aid wildlife conservation
23.06.2017 | Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB)
An international team of scientists has proposed a new multi-disciplinary approach in which an array of new technologies will allow us to map biodiversity and the risks that wildlife is facing at the scale of whole landscapes. The findings are published in Nature Ecology and Evolution. This international research is led by the Kunming Institute of Zoology from China, University of East Anglia, University of Leicester and the Leibniz Institute for Zoo and Wildlife Research.
Using a combination of satellite and ground data, the team proposes that it is now possible to map biodiversity with an accuracy that has not been previously...
Heatwaves in the Arctic, longer periods of vegetation in Europe, severe floods in West Africa – starting in 2021, scientists want to explore the emissions of the greenhouse gas methane with the German-French satellite MERLIN. This is made possible by a new robust laser system of the Fraunhofer Institute for Laser Technology ILT in Aachen, which achieves unprecedented measurement accuracy.
Methane is primarily the result of the decomposition of organic matter. The gas has a 25 times greater warming potential than carbon dioxide, but is not as...
Hydrogen is regarded as the energy source of the future: It is produced with solar power and can be used to generate heat and electricity in fuel cells. Empa researchers have now succeeded in decoding the movement of hydrogen ions in crystals – a key step towards more efficient energy conversion in the hydrogen industry of tomorrow.
As charge carriers, electrons and ions play the leading role in electrochemical energy storage devices and converters such as batteries and fuel cells. Proton...
Scientists from the Excellence Cluster Universe at the Ludwig-Maximilians-Universität Munich have establised "Cosmowebportal", a unique data centre for cosmological simulations located at the Leibniz Supercomputing Centre (LRZ) of the Bavarian Academy of Sciences. The complete results of a series of large hydrodynamical cosmological simulations are available, with data volumes typically exceeding several hundred terabytes. Scientists worldwide can interactively explore these complex simulations via a web interface and directly access the results.
With current telescopes, scientists can observe our Universe’s galaxies and galaxy clusters and their distribution along an invisible cosmic web. From the...
Temperature measurements possible even on the smallest scale / Molecular ruby for use in material sciences, biology, and medicine
Chemists at Johannes Gutenberg University Mainz (JGU) in cooperation with researchers of the German Federal Institute for Materials Research and Testing (BAM)...
19.06.2017 | Event News
13.06.2017 | Event News
13.06.2017 | Event News
26.06.2017 | Life Sciences
26.06.2017 | Physics and Astronomy
26.06.2017 | Information Technology