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Keywords: landmark
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Journal Articles
J Exp Biol (2012) 215 (19): 3379–3387.
Published: 01 October 2012
... still know very little about whether homing pigeons can rely on discrete, visual landmarks to guide navigation. To assess a possible role of discrete, visual landmarks in navigation, homing pigeons were first trained to home from a site with four wind turbines as salient landmarks as well as from...
Includes: Supplementary data
Journal Articles
J Exp Biol (2012) 215 (3): 397–404.
Published: 01 February 2012
... recognising landmarks at variable distances or quickly discriminating between rewarding/non-rewarding flowers at reasonable constant visual angles. During training the side of the rewarded stimulus (left or right) in the Y-maze was interchanged using a pseudorandom sequence in order to avoid positional cues...
Includes: Supplementary data
Journal Articles
J Exp Biol (2011) 214 (8): 1307–1312.
Published: 15 April 2011
.... Apparently, C. fortis benefit from combining their visual and olfactory navigational tools, because the bimodal sensory input accelerates the acquisition of landmark information. * These authors contributed equally to this work † Author for correspondence ( mknaden@ice.mpg.de ) 20 12 2010...
Journal Articles
J Exp Biol (2010) 213 (17): 2987–2996.
Published: 01 September 2010
... wide consensus. However, theoretical models suggest that egocentric representations may represent efficient strategies for visuo-spatial navigation. Here, we provide, for the first time, evidence that a view-based strategy is effectively used by animals to reorient themselves in an array of landmarks...
Includes: Supplementary data
Journal Articles
J Exp Biol (2008) 211 (12): 1868–1873.
Published: 15 June 2008
...Patrick Bregy; Stefan Sommer; Rüdiger Wehner SUMMARY Foraging ants and bees use path-integration vectors and landmark cues for navigation. When in particular experimental paradigms the two types of information – vector-based and landmark-based information – are made to compete with each other...
Journal Articles
J Exp Biol (2008) 211 (8): 1180–1186.
Published: 15 April 2008
...Adrian G. Dyer; Marcello G. P. Rosa; David H. Reser SUMMARY The ability to navigate long distances to find rewarding flowers and return home is a key factor in the survival of honeybees ( Apis mellifera ). To reliably perform this task, bees combine both odometric and landmark cues,which...
Journal Articles
J Exp Biol (2005) 208 (21): 4123–4135.
Published: 01 November 2005
...Tony Vladusich; Jan M. Hemmi; Mandyam V. Srinivasan; Jochen Zeil SUMMARY How do honeybees use visual odometry and goal-defining landmarks to guide food search? In one experiment, bees were trained to forage in an optic-flow-rich tunnel with a landmark positioned directly above the feeder...
Journal Articles
J Exp Biol (2005) 208 (21): 4049–4061.
Published: 01 November 2005
... compasses and the coordinate frame of landmark memories in honeybees. Nature 368 , 137 -140. Collett, T. S. and Zeil, J. ( 1997 ). The selection and use of landmarks by insects. In Orientation and Communication in Arthropods (ed. M. Lehrer), pp. 41 -65. Basel, Boston, Berlin: Birkhäuser Verlag...
Journal Articles
J Exp Biol (2005) 208 (20): 3945–3955.
Published: 15 October 2005
...S. N. Fry; R. Wehner SUMMARY This report describes the piloting mechanisms employed by honey bees during their final approach to a goal. Conceptually applying a bottom-up approach, we systematically varied the position, number and appearance landmarks associated with a rewarded target location...
Journal Articles
J Exp Biol (2005) 208 (17): 3385–3394.
Published: 01 September 2005
... that the porpoises used focal objects as landmarks. The lag time, defined as the time between the arrival of an echo from a landmark and the emission of the next click, was task specific. The lag time was longer for difficult tasks (26–36 ms) and shorter for simpler tasks(14–19 ms), with some individual differences...
Journal Articles
J Exp Biol (2005) 208 (6): 1019–1024.
Published: 15 March 2005
...Ken Cheng SUMMARY Free flying honeybees were trained successively on two different tasks of landmark-based spatial memory. On both task 1 and task 2, the goal was at a consistent distance and direction from a cylindrical landmark. The colours of the landmarks differed for the two tasks. The target...
Journal Articles
J Exp Biol (2003) 206 (11): 1773–1778.
Published: 01 June 2003
...Richard A. Holland SUMMARY The question of whether homing pigeons use visual landmarks for orientation from distant, familiar sites is an unresolved issue in the field of avian navigation. Where evidence has been found, the question still remains as to whether the landmarks are used independent...
Journal Articles
J Exp Biol (2003) 206 (3): 535–541.
Published: 01 February 2003
... 2002 © The Company of Biologists Limited 2003 2003 wood ant Formica rufa beacon aiming landmark navigation route learning visual cue At the beginning of training, 20-30 active ants from the colony were placed on top of the start ramp and the feeder placed at the finish...
Journal Articles
J Exp Biol (2002) 205 (24): 3915–3923.
Published: 15 December 2002
...Peter Cain; Sapna Malwal SUMMARY African mormyrids, such as Gnathonemus petersii , migrate:nocturnally, from daytime shelters to find food and return by morning, and seasonally, spawning in swamps flooded during the rainy season. The present study examined whether the fish use landmarks detected...
Journal Articles
J Exp Biol (2002) 205 (16): 2499–2509.
Published: 15 August 2002
...Paul Graham; Thomas S. Collett SUMMARY Bees, wasps and ants learn landmarks as views from particular vantage points, storing the retinal positions of landmark edges. By moving so as to minimise the difference between their stored and current view, they can return to the vantage point from which...
Journal Articles
J Exp Biol (2002) 205 (6): 807–814.
Published: 15 March 2002
...Matthew Collett; Duane Harland; Thomas S. Collett SUMMARY Bees seem to use landmarks to segment familiar routes. They can associate, with a landmark, a memory that encodes the direction and distance of the path segment between that landmark and the next. The expression of the memory results...