Able, K. (1982). Skylight polarization patterns at dusk influence migratory orientation in birds. Nature, 299, 550–551.
Bingman, V. P. and Cheng, K. (2005). Mechanisms of animal global navigation: comparative perspectives and enduring challenges. Ethology Ecology and Evolution, 17, 295–318.
Biro, D., Meade, J. and Guilford, T. (2004). Familiar route loyalty implies visual pilotage in the homing pigeon. Proceedings of the National Academy of Sciences of the United States of America, 101, 17440–17443.
Brodbeck, D. R. (1994). Memory for spatial and local cues: a comparison of a storing and nonstoring species. Animal Learning & Behavior, 22, 119–133.
Brown, A. A., Spetch, M. L., Hurd, P. L. (2007). Growing in circles: rearing environment alters spatial navigation in fish. Psychological Science, 18, 569–573.
Cheng, K. (1986). A purely geometric module in the rat's spatial representation. Cognition, 23, 149–178.
Cheng, K. (1988). Some psychophysics of the pigeon's use of landmarks. Journal of Comparative Physiology A, 162, 815–826.
Cheng, K. (1989). The vector sum model of pigeon landmark use. Journal of Experimental Psychology: Animal Behavior Processes, 15, 366–375.
Cheng, K. (1992). Three psychophysical principles in the processing of spatial and temporal information. In Cognitive aspects of stimulus control, eds. Honig, W. K. and Fetterman, J. G., Hillsdale, NJ: Erlbaum, pp. 69–88.
Cheng, K. (1994). The determination of direction in landmark-based spatial search in pigeons: a further test of the vector sum model. Animal Learning & Behavior, 22, 291–301.
Cheng, K. (2012a). Arthropod navigation: ants, bees, crabs, spiders finding their way. In The Oxford Handbook of Comparative Cognition, eds. Wasserman, E. A. and Zentall, T. R., Oxford, NY: Oxford University Press, pp. 189–209.
Cheng, K. (2012b). How to navigate without maps: the power of taxon-like navigation in ants. Comparative Cognition & Behavior Reviews, 7, 1–22.
Cheng, K., Huttenlocher, J. and Newcombe, N. S. (2013). 25 years of research on the use of geometry in spatial reorientation: a current theoretical perspective. Psychonomic Bulletin & Review, 20, 1033–1054.
Cheng, K. and Newcombe, N. S. (2005). Is there a geometric module for spatial orientation? Squaring theory and evidence. Psychonomic Bulletin & Review, 12, 1–23.
Cheung, A., Stürzl, W., Zeil, J. and Cheng, K. (2008). The information content of panoramic images II: view-based navigation in nonrectangular experimental arenas. Journal of Experimental Psychology: Animal Behavior Processes, 34, 15–30.
Chiandetti, C. and Vallortigara, G. (2010). Experience and geometry: controlled-rearing studies with chicks. Animal Cognition, 13, 463–470.
Collett, T. S. (1996). Insect navigation en route to the goal: multiple strategies for the use of landmarks. The Journal of Experimental Biology, 199, 227–235.
Collett, T. S. and Collett, M. (2002). Memory use in insect visual navigation. Nature Reviews Neuroscience, 3, 542–552.
Collett, T. S., Graham, P., Harris, R. A. and Hempel de Ibarra, N. (2006). Navigational memories in ants and bees: memory retrieval when selecting and following routes. Advances in the Study of Behaviour, 36, 123–172.
Coppola, V. J., Flaim, M. E., Carney, S. N. and Bingman, V. P. (2015). An age-related deficit in spatial-feature reference memory in homing pigeons (Columba livia). Behavioural Brain Research, 280, 1–5.
Coppola, V. J., Hough, G. and Bingman, V. P. (2014). Age-related spatial working memory deficits in homing pigeons (Columba livia). Behavioral Neuroscience, 128, 666–675.
Dittmar, L., Stürzl, W., Jetzschke, S., Mertes, M. and Boeddeker, N. (2014). Out of the box: how bees orient in an ambiguous environment. Animal Behaviour, 89, 13–21.
Flores-Abreu, I. N., Hurly, T. A. and Healy, S. D. (2012). One-trial spatial learning: wild hummingbirds relocate a reward after a single visit. Animal Cognition, 15, 631–637.
Gagliardo, A., Ioalè, P., Filannino, C. and Wikelski, M. (2011). Homing pigeons only navigate in air with intact environmental odours: a test of the olfactory activation hypothesis with GPS data loggers. PLoS ONE, 6, e22385.
Goodyear, A. J. and Kamil, A. C. (2004). Clark's nutcrackers (Nucifraga columbiana) and the effects of goal-landmark distance on overshadowing. Journal of Comparative Psychology, 118, 258–264.
Gould-Beierle, K. and Kamil, A. (1999). The effect of proximity on landmark use in Clark's nutcrackers. Animal Behaviour, 58, 477–488.
Gouteux, S., Thinus-Blanc, C. and Vauclair, J. (2001). Rhesus monkeys use geometric and nongeometric information during a reorientation task. Journal of Experimental Psychology: General, 130, 505–519.
Graham, P. and Cheng, K. (2009). Ants use the panoramic skyline as a visual cue during navigation. Current Biology, 19, 935–937.
Gray, E. R., Spetch, M. L., Kelly, D. M. and Nguyen, A. (2004). Searching in the center: Pigeons encode relative distances from walls of an enclosure. Journal of Comparative Psychology, 118, 113–117.
Healy, S. D. and Hurly, T. A. (1998). Rufous hummingbirds’ (Selasphorus rufus) memory for flowers: patterns or actual spatial locations? Journal of Experimental Psychology: Animal Behavior Processes, 24, 396–404.
Hodgson, Z. G. and Healy, S. D. (2005). Preference for spatial cues in a non-storing songbird species. Animal Cognition, 8, 211–214.
Hurly, T. A., Fox, T. A. O, Zwueste, D. M. and Healy, S. D. (2014). Wild hummingbirds rely on landmarks not geometry when learning an array of flowers. Animal Cognition, 17, 1157–1165.
Hurly, T. A. and Healy, S. D. (1996). Memory for flowers in rufous hummingbirds: location or local visual cues? Animal Behaviour, 51, 1149–1157.
Ioalè, P., Nozzolini, M. and Papi, F. (1990). Homing pigeons do extract directional information from olfactory stimuli. Behavioral Ecology and Sociobiology, 26, 301–305.
Jones, J. E., Antomiadis, E., Shettleworth, S. J. and Kamil, A. C. (2002). A comparative study of geometric rule learning by nutcrackers (Nucifraga columbiana), pigeons (Columba livia), and jackdaws (Corvus monedula). Journal of Comparative Psychology, 116, 350–356.
Kamil, A. C. and Cheng, K. (2001). Way-finding and landmarks: the multiple bearings hypothesis. The Journal of Experimental Biology, 204, 103–113.
Kamil, A. C. and Jones, J. E. (1997). The seed-storing corvid Clark's nutcracker learns geometric relationships among landmarks. Nature, 390, 276–279.
Kamil, A. C. and Jones, J. E. (2000). Geometric rule learning by Clark's nutcrackers (Nucifraga columbiana). Journal of Experimental Psychology: Animal Behavior Processes, 26, 439–453.
Kelly, D. M., Chiandetti, C. and Vallortigara, G. (2011). Re-orienting in space: do animals use global or local geometry strategies? Biology Letters, 7, 472–375.
Kelly, D. M., Kippenbrock, S., Templeton, J. and Kamil, A. C. (2008). Use of a geometric rule or absolute vectors: Landmark use by Clark's nutcrackers (Nucifraga columbiana). Brain Research Bulletin, 76, 293–299.
Kelly, D. M. and Spetch, M. L. (2001). Pigeons encode relative geometry. Journal of Experimental Psychology: Animal Behavior Processes, 27, 417–422.
Kelly, D. M., Spetch, M. L. and Heth, C. D. (1998). Pigeons' (Columba livia) encoding of geometric and featural properties of a spatial environment. Journal of Comparative Psychology, 112, 259–269.
Knierim, J. J., Kudrimoti, H. S. and McNaughton, B. L. (1995). Place cells, head direction cells, and the learning of landmark stability. The Journal of Neuroscience, 15, 1648–1659.
Kohler, M. and Wehner, R. (2005). Idiosyncratic route-based memories in desert ants, Melophorus bagoti: how do they interact with path-integration vectors? Neurobiology of Learning and Memory, 83, 1–12.
Kreithen, M. and Keeton, W. (1974). Detection of polarized light by the homing pigeon, Columba livia. Journal of Comparative Physiology, 89, 83–92.
LaDage, L. D., Roth II, T. C., Fox, R. A. and Pravosudov, V. V. (2009). Flexible cue use in food-caching birds. Animal Cognition, 12, 419–426.
Lambinet, V., Wilzeck, C. and Kelly, D. M. (2014). Size does not matter, but features do: Clark's nutcrackers (Nucifraga columbiana) weigh features more heavily than geometry in large and small enclosures. Behavioural Processes, 102, 3–11.
Learmonth, A. E., Nadel, L. and Newcombe, N. S. (2002). Children's use of landmarks: implications for modularity theory. Psychological Science, 13, 337–341.
Learmonth, A. E., Newcombe, N. S. and Huttenlocher, J. (2001). Toddlers’ use of metric information and landmarks to reorient. Journal of Experimental Child Psychology, 80, 225–244.
Lent, D., Graham, P. and Collett, T. S. (2013). Visual scene perception in navigating wood ants. Current Biology, 23, 684–690.
Lever, C., Burton, S., Jeewajee, A., O'Keefe, J. and Burgess, N. (2009). Boundary vector cells in the subiculum of the hippocampal formation. The Journal of Neuroscience, 29, 9771–9777.
Lipp, H. P., Vyssotski, A. L., Wolfer, D. P., Renaudineau, S., Savini, M., Tröster, G. and Dell'Omo, G. (2004). Pigeon homing along highways and exits. Current Biology, 14, 1239–1249.
Mangan, M. and Webb, B. (2012). Spontaneous formation of multiple routes in individual desert ants (Cataglyphis velox). Behavioral Ecology, 23, 944–954.
Moser, E. I., Kropff, E. and Moser, M. B. (2008). Place cells, grid cells, and the brain's spatial representation system. Annual Review of Neuroscience, 31, 69–89.
Pecchia, T. and Vallortigara, G. (2010). View-based strategy for reorientation by geometry. The Journal of Experimental Biology, 213, 2987–2996.
Pecchia, T. and Vallortigara, G. (2011). Stable panoramic views facilitate snap-shot like memories for spatial reorientation in homing pigeons. PLoS One, 6, 22657.
Pecchia, T. and Vallortigara, G. (2012). Spatial reorientation by geometry with freestanding objects and extended surfaces: a unifying view. Proceedings of the Royal Society B: Biological Sciences, 279, 2228–2236.
Philippides, A., Baddeley, B., Cheng, K. and Graham, P. (2011). How might ants use panoramic views for route navigation? The Journal of Experimental Biology, 214, 445–451.
Ratliff, K. R. and Newcombe, N. S. (2008). Reorienting when cues conflict. Psychological Science, 19, 1301–1307.
Reichert, J. F. and Kelly, D. M. (2015). How Clark's nutcrackers (Nucifraga columbiana) weigh geometric cues depends on their previous experience. Animal Cognition, 18, 953–968.
Reid, S. F., Narendra, A., Hemmi, J. M. and Zeil, J. (2011). Polarised skylight and the landmark panorama provide night-active bull ants with compass information during route following. The Journal of Experimental Biology, 214, 363–370.
Schmidt-Koenig, K. (1958). Experimentelle Einflußnahme auf die 24-Stunden-Periodik bei Brieftauben und deren Auswirkungen unter besonderer Berücksichtigung des Heimfindevermögens. Zeitschrift für Tierpsychologie, 15, 301–331.
Schwarz, S., Julle-Daniere, E., Morin, L., et al. (2014). Desert ants (Melophorus bagoti) navigating with robustness to distortions of the natural panorama. Insectes Sociaux, 61, 371–383.
Schwarz, S., Narendra, A. and Zeil, J. (2011). The properties of the visual system in the Australian desert ant Melophorus bagoti. Arthropod Structure and Development, 40, 128–134.
Sherry, D. F. and Hoshooley, J. S. (2010). Seasonal hippocampal plasticity in food-storing birds. Proceedings of the Royal Society B: Biological Sciences, 365, 933–943.
Sovrano, V. A., Bisazza, A. and Vallortigara, G. (2005). Animals’ use of landmarks and metric information to reorient: effects of the size of the experimental space. Cognition, 97, 121–133.
Sovrano, V. A., Potrich, D. and Vallortigara, G. (2013). Learning of geometry and features in bumblebees (Bombus terrestris). Journal of Comparative Psychology, 127, 312–318.
Sovrano, V. A., Rigosi, E. and Vallortigara, G. (2012). Spatial reorientation by geometry in bumblebees. PLoS One, 7, e37449.
Spetch, M. L. (1995). Overshadowing in landmark learning: Touch-screen studies with pigeons and humans. Journal of Experimental Psychology: Animal Behavior Processes, 21, 166–181.
Spetch, M. L., Cheng, K., MacDonald, S. E., et al. (1997). Use of landmark configuration in pigeons and humans: II. Generality across search tasks. Journal of Comparative Psychology, 111, 14–24.
Spetch, M. L. and Edwards, C. A., (1986). Spatial memory in pigeons (Columba livia) in an open-field feeding environment. Journal of Comparative Psychology, 100, 266–278.
Spetch, M. L., Rust, T. B., Kamil, A. C. and Jones, J. E. (2003). Search by rules: pigeons’ (Columba livia) landmark-based search according to constant bearing or constant distance. Journal of Comparative Psychology, 117, 123–132.
Stürzl, W., Cheung, A., Cheng, K. and Zeil, J. (2008). The information content of panoramic images I: the rotational errors and the similarity of views in rectangular experimental arenas. Journal of Experimental Pschology: Animal Behavior Processes, 34, 1–14.
Tomback, D. F. (1978). Foraging strategies of Clark's nutcracker. Living Bird, 16, 123–161.
Tomback, D. F. (1980). How nutcrackers find their seed stores. Condor, 82, 10–19.
Tommasi, L. and Vallortigara, G. (2000). Searching for the center: spatial cognition in the domestic chick (Gallus gallus). Journal of Experimental Psychology: Animal Behavior Processes, 26, 477–486.
Twyman, A. D., Newcombe, N. S. and Gould, T. J. (2013). Malleability in the development of spatial representation. Developmental Psychobiology, 55, 243–255.
Vallortigara, G., Feruglio, M. and Sovrano, V. A. (2005). Reorientation by geometric and landmark information in environments of different spatial size. Developmental Science, 8, 393–401.
Vander Wall, S. (1982). An experimental analysis of cache recovery in Clark's nutcrackers. Animal Behaviour, 30, 84–94.
Wiltschko, R. and Wiltschko, W. (1978). Evidence for the use of magnetic outward-journey information in homing pigeons. Nature, 65, 112–113.
Wiltschko, W. and Wiltschko, R. (1996). Magnetic orientation in birds. The Journal of Experimental Biology, 199, 29–38.
Wilzeck, C. and Kelly, D. M. (2013). Avian visual pseudoneglect: the effect of age and sex on visuospatial side biases. In Behavioral lateralization in vertebrates, eds. Csermely, D. and Reolin, L.. New York: Springer, pp. 55–70.
Wystrach, A. and Beugnon, G. (2009). Ants learn geometry and features. Current Biology, 19, 61–66.
Wystrach, A., Beugnon, G. and Cheng, K. (2011a). Landmarks or panoramas: what do navigating ants attend to for guidance? Frontiers in Zoology, 8, 21.
Wystrach, A., Beugnon, G. and Cheng, K. (2012). Ants might use different view-matching strategies on and off the route. The Journal of Experimental Biology, 215, 44–55.
Wystrach, A. and Graham, P. (2012a). View-based matching can be more than image matching: the importance of considering an animal's perspective. i-Perception, 3, 547–549.
Wystrach, A. and Graham, P. (2012b). What can we learn from studies of insect navigation? Animal Behaviour, 84, 13–20.
Wystrach, A., Mangan, M., Philippides, A. and Graham, P. (2013). Snapshots in ants? New interpretations of paradigmatic experiments. The Journal of Experimental Biology, 216, 1766–1770.
Wystrach, A., Schwarz, S., Schultheiss, P., Beugnon, G. and Cheng, K. (2011b). Views, landmarks, and routes: how do desert ants negotiate an obstacle course? Journal of Comparative Physiology A, 197, 167–179.
Wystrach, A., Sosa, S., Beugnon, G. and Cheng, K. (2011c). Geometry, features, and panoramic views: ants in rectangular arenas. Journal of Experimental Pschology: Animal Behavior Processes, 37, 420–435.
Zeil, J. (2003). Catchment areas of panoramic snapshots in outdoor scenes. Journal of the Optical Society of America A, 20, 450–469.
Zeil, J. (2012). Visual homing: an insect perspective. Current Opinion in Neurobiology, 22, 285–293.
Zollikofer, C. P. E., Wehner, R. and Fukushi, T. (1995). Optical scaling in conspecific Cataglyphis ants. The Journal of Experimental Biology, 198, 1637–1646.