desert ants
Ontogeny of learning walks and the acquisition of landmark information in desert ants, Cataglyphis fortis
... Cataglyphis ants preferentially stick for a considerable foraging time to one sector (Wehner, 1987; Wehner et ...fortis ants undergo a distinct ontogeny of their learning walks until they become foragers ...
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Propulsion in hexapod locomotion: how do desert ants traverse slopes?
... worker ants, previous studies have already described either their kinematics over different inclines or their kinematics and forces for level locomotion and vertical ...on desert ants found that the ...
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Landmark guidance and vector navigation in outbound desert ants
... 0%-out ants (trained and tested without landmarks) did not start their foraging routines but rather searched for their nest ...2008a), desert ants switch from an outbound to an inbound state of the ...
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Visual and tactile learning of ground structures in desert ants
... Desert ants of the genus Cataglyphis live in wide, featureless salt-pan areas that provide almost no terrestrial orientation ...the ants have to perform wide ranging individual foraging journeys and ...
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Proteome stability, heat hardening and heat shock protein expression profiles in Cataglyphis desert ants
... Cataglyphis desert ants present a unique opportunity for investigating the HSR in heat-tolerant terrestrial ...other desert-adapted species, which tend to escape the heat by being nocturnal or ...
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The visual centring response in desert ants, Cataglyphis fortis
... Saharan desert ants of the genus Cataglyphis are remarkable long-distance ...the desert floor (Wehner et ...the ants at maximal distances from rocks and shrubs, which are convenient hiding ...
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Visual navigation in desert ants Cataglyphis fortis: are snapshots coupled to a celestial system of reference?
... Desert ants of the genus Cataglyphis returning from a foraging trip to the nest use both path integration and visual landmarks as navigation tools for relocating the nest site (Wehner and Wehner, 1990; ...
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Desert ants do not rely on sky compass information for the perception of inclined path segments
... excursions, desert ants ( Cataglyphis fortis ) navigate by means of path integration, exhibiting high precision even in undulating ...the ants must measure the slopes of ascents and descents in their ...
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Naturalistic path integration of Cataglyphis desert ants on an air cushioned lightweight spherical treadmill
... Cataglyphis desert ant that is well known for its robust homing ...Cataglyphis desert ants are the true navigators of hot and dry North African ...the desert. The ants employ path ...
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Uncertainty about nest position influences systematic search strategies in desert ants
... of desert arthropods as mathematical functions (Wehner and Srinivasan, 1981; Hoffmann, 1983a; Hoffmann, 1983b; Alt, ...of desert ants is not an equidistant spiral, but rather concentrated around the ...
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Local and global navigational coordinate systems in desert ants
... PI output coordinates as a basis for local coordinates Desert ants can learn the direction (Collett et al., 1998; Collett and Collett, 2009) and distance (Knaden et al., 2006; Collett and Collett, 2009) of ...
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The polarization compass dominates over idiothetic cues in path integration of desert ants
... Desert ants, Cataglyphis, use the skyʼs pattern of polarized light as a compass reference for ...the ants use additional cues to improve the accuracy of directional decisions, and focused on ...
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Egocentric information helps desert ants to navigate around familiar obstacles
... experiments, desert ants were trained to run the first part of their homeward journey from a feeder to the nest inside a narrow east-pointing channel that forced them to deviate from their straight ...
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Walking on inclines: how do desert ants monitor slope and step length
... track. Desert ants, how- ever, have to meet contradictory demands: their habitat does not provide shelters to heat and predators, so that these animals have to employ both the high speeds of the cockroach ...
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Desert ants compensate for navigation uncertainty
... diameter. Desert ants possess a number of strategies to deal with these navigation errors and other ...The ants also employ their path integration system for relocating previously visited places, in ...
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Do familiar landmarks reset the global path integration system of desert ants?
... in desert ants and, if so, whether such a cumulative global PI memory is associated with landmark memories and can be recalled when the associated landmarks are ...
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The guidance of desert ants by extended landmarks
... that desert ants will follow a straight trajectory at an angle to a barrier and that, under certain conditions, when the barrier is rotated, the direction of the trajectory rotates through almost the same ...
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Smells like home: Desert ants, Cataglyphis fortis, use olfactory landmarks to pinpoint the nest
... Desert ants, Cataglyphis, are known to rely on path integra- tion [1,2,5] and visual landmarks [3,4] during ...whether ants associate their nest entrance with environmental ...the ants with ...
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Piloting in desert ants: pinpointing the goal by discrete landmarks
... How ants could acquire information about discrete objects (artificial landmarks in the form of black cylinders) in close proximity to the goal has been studied in wood ants, ...in desert ants, ...
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Estimation of homing distance in desert ants, Cataglyphis fortis, remains unaffected by disturbance of walking behaviour
... 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 ...
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