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Keywords: Desert ant
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Journal Articles
J Exp Biol (2021) 224 (18): jeb242842.
Published: 01 October 2021
...Johanna Tross; Harald Wolf; Sarah Elisabeth Pfeffer ABSTRACT Desert ants show a large range of adaptations to their habitats. They can reach extremely high running speeds, for example, to shorten heat stress during foraging trips. It has recently been examined how fast walking speeds are achieved...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (23): 4159–4166.
Published: 01 December 2014
... in conflict for homing desert ants ( Melophorus bagoti ). In the first experiment, ants learned to navigate out of a round experimental arena with a distinctive artificial panorama. On crucial tests, we rotated the arena to create a conflict between the artificial panorama and celestial information...
Includes: Supplementary data
Journal Articles
J Exp Biol (2012) 215 (18): 3218–3222.
Published: 15 September 2012
... of returning has to be weighed against the chance of finding food elsewhere and the resources available. Desert ants Cataglyphis fortis are well-studied examples when it comes to navigating back and forth between their nest and a foraging area, due to their primary reliance on path integration in the open...
Journal Articles
J Exp Biol (2012) 215 (4): 653–656.
Published: 15 February 2012
...? Desert ants are particularly well suited for pursuing this question because of their primary reliance on path integration in open and featureless desert habitats. Path integration has been studied particularly with regard to homing after lengthy foraging trips. The ants also use path integration...
Journal Articles
J Exp Biol (2011) 214 (17): 2845–2853.
Published: 01 September 2011
...Cornelia Bühlmann; Ken Cheng; Rüdiger Wehner SUMMARY Two species of desert ants – the North African Cataglyphis fortis and the central Australian Melophorus bagoti – differ markedly in the visual complexity of their natural habitats: featureless salt pans and cluttered, steppe-like terrain...
Journal Articles
J Exp Biol (2009) 212 (18): 2893–2901.
Published: 15 September 2009
...Kathrin Steck; Matthias Wittlinger; Harald Wolf SUMMARY Desert ants, Cataglyphis fortis, use a stride integrator as a distance gauge in their well-studied path integration system (while a skylight compass provides the direction gauge). To further scrutinize the mechanisms of the ant odometer, we...
Journal Articles
J Exp Biol (2007) 210 (10): 1798–1803.
Published: 15 May 2007
... area, the Australian route-following desert ant Melophorus bagoti relies on the path integrator and consistently travels half the distance of the outward trip. However, when both the outward and inward trips are performed in plain and featureless channels, which blocks the distinct terrestrial visual...
Journal Articles
J Exp Biol (2007) 210 (3): 375–382.
Published: 01 February 2007
...-dimensional (3-D) path integration of the(formicine) desert ant, Cataglyphis fortis . Cataglyphis judge the ground distance when travelling over hills, allowing correct homing even in (unpredictably) uneven terrain. We eliminated the function of these hair sensors in graviception either by shaving the hairs...
Journal Articles
J Exp Biol (2007) 210 (2): 198–207.
Published: 15 January 2007
...Matthias Wittlinger; Rüdiger Wehner; Harald Wolf SUMMARY Desert ants, Cataglyphis , use path integration as a major means of navigation. Path integration requires measurement of two parameters, namely,direction and distance of travel. Directional information is provided by a celestial compass...
Journal Articles
J Exp Biol (2006) 209 (17): 3301–3308.
Published: 01 September 2006
...B. Ronacher; E. Westwig; R. Wehner SUMMARY When performing foraging trips desert ants of the genus Cataglyphis continuously process and update a `home vector' that enables them to return to their nest on the shortest route. This capacity of path integration requires two types of information: (i...
Journal Articles
J Exp Biol (2003) 206 (5): 877–882.
Published: 01 March 2003
...M. Collett; T. S. Collett; S. Chameron; R. Wehner SUMMARY It is often suggested that animals may link landmark memories to a global coordinate system provided by path integration, thereby obtaining a map-like representation of familiar terrain. In an attempt to discover if desert ants form...
Journal Articles
J Exp Biol (2001) 204 (24): 4177–4184.
Published: 15 December 2001
.... In either case, the ants define their courses within allocentric systems of reference. Here, we show that desert ants, Cataglyphis fortis , forced to run along a devious path can use egocentric information as well. The ants were trained to deviate from their straight homebound course by a wide inconspicuous...