Ajay Narendra

Summary

Affiliation: Australian National University
Country: Australia

Publications

  1. pmc Ant navigation: fractional use of the home vector
    Allen Cheung
    Queensland Brain Institute, The University of Queensland, Brisbane, Queensland, Australia
    PLoS ONE 7:e50451. 2012
  2. doi request reprint Homing abilities of the Australian intertidal ant Polyrhachis sokolova
    Ajay Narendra
    ARC Centre of Excellence in Vision Science, Research School of Biology, Division of Evolution, Ecology and Genetics, The Australian National University, ACT 0200, Australia
    J Exp Biol 216:3674-81. 2013
  3. pmc Mapping the navigational knowledge of individually foraging ants, Myrmecia croslandi
    Ajay Narendra
    ARC Centre of Excellence in Vision Science, Research School of Biology, The Australian National University, Canberra, Australian Capital Territory 0200, Australia
    Proc Biol Sci 280:20130683. 2013
  4. pmc Navigational efficiency of nocturnal Myrmecia ants suffers at low light levels
    Ajay Narendra
    ARC Centre of Excellence in Vision Science, Research School of Biology, The Australian National University, Canberra, Australian Capital Territory, Australia
    PLoS ONE 8:e58801. 2013
  5. pmc Caste-specific visual adaptations to distinct daily activity schedules in Australian Myrmecia ants
    Ajay Narendra
    Research School of Biology, The Australian National University, Canberra, ACT, Australia
    Proc Biol Sci 278:1141-9. 2011
  6. pmc The twilight zone: ambient light levels trigger activity in primitive ants
    Ajay Narendra
    ARC Centre of Excellence in Vision Science and Centre for Visual Sciences, Research School of Biology, The Australian National University, Canberra, Australia
    Proc Biol Sci 277:1531-8. 2010
  7. doi request reprint Search strategies of ants in landmark-rich habitats
    Ajay Narendra
    Department of Biological Sciences, Macquarie University, Sydney, NSW, 2109, Australia
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 194:929-38. 2008
  8. ncbi request reprint Homing strategies of the Australian desert ant Melophorus bagoti. II. Interaction of the path integrator with visual cue information
    Ajay Narendra
    Department of Biological Sciences, Macquarie University, Sydney, NSW 2109, Australia
    J Exp Biol 210:1804-12. 2007
  9. ncbi request reprint Homing strategies of the Australian desert ant Melophorus bagoti. I. Proportional path-integration takes the ant half-way home
    Ajay Narendra
    Department of Biological Sciences, Macquarie University, Sydney, NSW 2109, Australia
    J Exp Biol 210:1798-803. 2007
  10. doi request reprint Polarised skylight and the landmark panorama provide night-active bull ants with compass information during route following
    Samuel F Reid
    ARC Centre of Excellence in Vision Science, and Centre for Visual Sciences, Research School of Biology, The Australian National University, PO Box 475, Sullivans Creek Road, Canberra, ACT 2601, Australia
    J Exp Biol 214:363-70. 2011

Detail Information

Publications17

  1. pmc Ant navigation: fractional use of the home vector
    Allen Cheung
    Queensland Brain Institute, The University of Queensland, Brisbane, Queensland, Australia
    PLoS ONE 7:e50451. 2012
    ..Ant species from different habitats appear to have optimized their navigation strategy based on the availability and nature of navigational information content in their environment...
  2. doi request reprint Homing abilities of the Australian intertidal ant Polyrhachis sokolova
    Ajay Narendra
    ARC Centre of Excellence in Vision Science, Research School of Biology, Division of Evolution, Ecology and Genetics, The Australian National University, ACT 0200, Australia
    J Exp Biol 216:3674-81. 2013
    ..We report here the interaction of multiple navigation strategies in the context of the information content in the environment...
  3. pmc Mapping the navigational knowledge of individually foraging ants, Myrmecia croslandi
    Ajay Narendra
    ARC Centre of Excellence in Vision Science, Research School of Biology, The Australian National University, Canberra, Australian Capital Territory 0200, Australia
    Proc Biol Sci 280:20130683. 2013
    ....
  4. pmc Navigational efficiency of nocturnal Myrmecia ants suffers at low light levels
    Ajay Narendra
    ARC Centre of Excellence in Vision Science, Research School of Biology, The Australian National University, Canberra, Australian Capital Territory, Australia
    PLoS ONE 8:e58801. 2013
    ..It is perhaps due to the poor navigational efficiency at low light levels that the majority of foragers restrict navigational tasks to the twilight periods, where sufficient navigational information is still available...
  5. pmc Caste-specific visual adaptations to distinct daily activity schedules in Australian Myrmecia ants
    Ajay Narendra
    Research School of Biology, The Australian National University, Canberra, ACT, Australia
    Proc Biol Sci 278:1141-9. 2011
    ..We discuss these visual adaptations in relation to ambient light levels, visual tasks and mode of locomotion...
  6. pmc The twilight zone: ambient light levels trigger activity in primitive ants
    Ajay Narendra
    ARC Centre of Excellence in Vision Science and Centre for Visual Sciences, Research School of Biology, The Australian National University, Canberra, Australia
    Proc Biol Sci 277:1531-8. 2010
    ..We suggest that the reason for restricting the foraging onset to twilight and measuring light intensity to trigger activity is to optimize the trade-off between predation risk and ease of navigation...
  7. doi request reprint Search strategies of ants in landmark-rich habitats
    Ajay Narendra
    Department of Biological Sciences, Macquarie University, Sydney, NSW, 2109, Australia
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 194:929-38. 2008
    ..A double exponential function fits the distribution of segment lengths better, supporting another theoretically optimal search pattern, the composite Brownian walk...
  8. ncbi request reprint Homing strategies of the Australian desert ant Melophorus bagoti. II. Interaction of the path integrator with visual cue information
    Ajay Narendra
    Department of Biological Sciences, Macquarie University, Sydney, NSW 2109, Australia
    J Exp Biol 210:1804-12. 2007
    ..The dominance of distant cues, the importance of familiar context and the interaction between different navigation strategies are discussed here...
  9. ncbi request reprint Homing strategies of the Australian desert ant Melophorus bagoti. I. Proportional path-integration takes the ant half-way home
    Ajay Narendra
    Department of Biological Sciences, Macquarie University, Sydney, NSW 2109, Australia
    J Exp Biol 210:1798-803. 2007
    ..A similar half-way abbreviation of the home vector occurs when the ant's outward trip is in an L-shaped channel and the homeward trip is over an open and unfamiliar region. The ecological significance of these new findings is discussed...
  10. doi request reprint Polarised skylight and the landmark panorama provide night-active bull ants with compass information during route following
    Samuel F Reid
    ARC Centre of Excellence in Vision Science, and Centre for Visual Sciences, Research School of Biology, The Australian National University, PO Box 475, Sullivans Creek Road, Canberra, ACT 2601, Australia
    J Exp Biol 214:363-70. 2011
    ..Interestingly, other parts of the surrounding panorama also influence foraging speed and accuracy, suggesting that they too play a role in navigation...
  11. ncbi request reprint Traveling in clutter: navigation in the Central Australian desert ant Melophorus bagoti
    Ken Cheng
    Centre for the Integrative Study of Animal Behaviour, Macquarie University, Sydney, NSW 2109, Australia
    Behav Processes 80:261-8. 2009
    ..Functional predictions concerning the acquisition, retention, and integration of memories of distances and of landmarks are also reviewed, illuminating the behavioral ecology of spatial cognition...
  12. ncbi request reprint Acquiring, retaining and integrating memories of the outbound distance in the Australian desert ant Melophorus bagoti
    Ajay Narendra
    Department of Biological Sciences, Macquarie University, Sydney, NSW 2109, Australia
    J Exp Biol 210:570-7. 2007
    ..Ants always estimated their last outbound distance when released immediately. However, they switched to route-based navigation rather than estimating distances after a 24 h delay (at which time their odometric memory would have decayed)...
  13. doi request reprint Different effects of temperature on foraging activity schedules in sympatric Myrmecia ants
    Piyankarie Jayatilaka
    ARC Centre of Excellence in Vision Science, The Australian National University, Building 46, Biology Place, Canberra, ACT 0200, Australia
    J Exp Biol 214:2730-8. 2011
    ..croslandi, but has less obvious effects on M. pyriformis. In both species, CT(max) was greater than temperatures at the natural foraging times...
  14. pmc Compound eye adaptations for diurnal and nocturnal lifestyle in the intertidal ant, Polyrhachis sokolova
    Ajay Narendra
    ARC Centre of Excellence in Vision Science, Research School of Biology, The Australian National University, Canberra, Australian Capital Territory, Australia
    PLoS ONE 8:e76015. 2013
    ....
  15. doi request reprint The properties of the visual system in the Australian desert ant Melophorus bagoti
    Sebastian Schwarz
    Department of Brain, Behaviour and Evolution, Macquarie University, Sydney, NSW 2109, Australia
    Arthropod Struct Dev 40:128-34. 2011
    ..3°. With a Δρ(rh)/Δϕ ratio of much less than 2, the eyes undersample the visual scene but provide high contrast, and surprising detail of the landmark panorama that has been shown to be used for navigation...
  16. pmc Looking and homing: how displaced ants decide where to go
    Jochen Zeil
    ARC Centre of Excellence in Vision Science, Research School of Biology, The Australian National University, Building 46, Biology Place, Canberra, Australian Capital Territory 0200, Australia
    Philos Trans R Soc Lond B Biol Sci 369:20130034. 2014
    ..We discuss the navigational information content of the ants' habitat and how the insects' behaviour informs us about how they may acquire and retrieve that information. ..
  17. ncbi request reprint Eye structure correlates with distinct foraging-bout timing in primitive ants
    Birgit Greiner
    Curr Biol 17:R879-80. 2007