@article {Sims2009LongTerm,
	title = {Long-Term GPS Tracking of Ocean Sunfish Mola mola Offers a New Direction in Fish Monitoring},
	journal = {PLoS ONE},
	volume = {4},
	number = {10},
	year = {2009},
	month = {October},
	pages = {e7351+},
	publisher = {Public Library of Science},
	abstract = {Satellite tracking of large pelagic fish provides insights on free-ranging behaviour, distributions and population structuring. Up to now, such fish have been tracked remotely using two principal methods: direct positioning of transmitters by Argos polar-orbiting satellites, and satellite relay of tag-derived light-level data for post hoc track reconstruction. Error fields associated with positions determined by these methods range from hundreds of metres to hundreds of kilometres. However, low spatial accuracy of tracks masks important details, such as foraging patterns. Here we use a fast-acquisition global positioning system (Fastloc GPS) tag with remote data retrieval to track long-term movements, in near real time and position accuracy of <70 m, of the world{\textquoteright}s largest bony fish, the ocean sunfish Mola mola . Search-like movements occurred over at least three distinct spatial scales. At fine scales, sunfish spent longer in highly localised areas with faster, straighter excursions between them. These {\textquoteright}stopovers{\textquoteright} during long-distance movement appear consistent with finding and exploiting food patches. This demonstrates the feasibility of GPS tagging to provide tracks of unparalleled accuracy for monitoring movements of large pelagic fish, and with nearly four times as many locations obtained by the GPS tag than by a conventional Argos transmitter. The results signal the potential of GPS-tagged pelagic fish that surface regularly to be detectors of resource {\textquoteright}hotspots{\textquoteright} in the blue ocean and provides a new capability for understanding large pelagic fish behaviour and habitat use that is relevant to ocean management and species conservation.},
	keywords = {fishes, marine, migration, orientation, tracking},
	doi = {10.1371/journal.pone.0007351},
	url = {http://dx.doi.org/10.1371/journal.pone.0007351},
	author = {Sims, David W. and Queiroz, Nuno and Humphries, Nicolas E. and Lima, Fernando P. and Hays, Graeme C.}
}
@article {Narazaki2009Sea,
	title = {Sea turtles compensate deflection of heading at the sea surface during directional travel},
	journal = {J Exp Biol},
	volume = {212},
	number = {24},
	year = {2009},
	month = {December},
	pages = {4019{\textendash}4026},
	abstract = {Air-breathing marine animals, including sea turtles, utilise two fundamentally different environments (i.e. sea surface and underwater) during migration. Many satellite telemetry studies have shown travel paths at relatively large spatio-temporal scales, discussing the orientation and navigation mechanisms that guide turtles. However, as travel paths obtained by satellite telemetry only reflect movements at the surface, little is known about movements and orientation ability underwater. In this study, to assess orientation ability both at the surface and underwater, fine-scale 3-D movements of free-ranging loggerhead turtles Caretta caretta were reconstructed by using multi-sensor data loggers. Video systems ( Crittercam{\textquoteright}) were also used to record the behaviour of the turtles and the visual information surrounding the turtles. During August and October in 2006 and 2007, eight turtles were released from Otsuchi Bay, Japan (39{degrees}20{\textquoteright}30N, 141{degrees}56{\textquoteright}00E), and a total of 118 h of 3-D movements were reconstructed. Turtles maintained highly straight-line courses (straightness index >0.95) during 41\% of the total duration (i.e. travelling periods{\textquoteright}). During travelling periods, turtles swam continuously, maintaining unidirectional heading throughout dives whereas turtles changed heading remarkably at the surface. Despite highly directional movements during dives, travel direction tended to shift by the end of dives lasting 10 minutes or more. Such deflections seemed to be compensated during subsequent surfacing periods because there was a negative relationship between changes in travel direction arising during dives and subsequent surfacing periods. Therefore, remarkable changes in heading at the surface could be interpreted as direction-searching behaviour. Our results suggested that turtles undertaking directional travel were more dependent on directional information that was reliable at the surface. 10.1242/jeb.034637},
	keywords = {migration, navigation, orientation, seaturtles},
	doi = {10.1242/jeb.034637},
	url = {http://dx.doi.org/10.1242/jeb.034637},
	author = {Narazaki, T. and Sato, K. and Abernathy, K. J. and Marshall, G. J. and Miyazaki, N.}
}
@article {WilzeckLearning,
	title = {Learning of magnetic compass directions in pigeons},
	journal = {Animal Cognition},
	year = {Submitted},
	abstract = {Abstract\&nbsp;\&nbsp;A proof of magnetic compass learning by pigeons under laboratory conditions has been attempted for decades, but all experiments have failed so far. The aim of the present study was to test whether pigeons can learn magnetic compass directions in an operant chamber if magnetic cues are presented as true spatial cues. Experimental sessions were carried out in the local geomagnetic field and in magnetic fields with matched total intensity and inclination, but different directions generated with Helmholtz-coils. Birds demonstrated successful learning with a performance level comparable to that in learning studies with magnetic anomalies. In addition, we compared the data from magnetic learning in the laboratory with performance from homing experiments in the field. The birds that were more successful in the learning experiment had vanishing bearings farther away from the home direction than the group mean at unfamiliar, but not at familiar sites. This might suggest that better learners explore unknown locations in a different way. Our findings represent the first evidence for operant magnetic compass learning in pigeons and also provide a link between behavioural data from the field and the laboratory.},
	keywords = {birds, migration, navigation, orientation, pigeons},
	doi = {10.1007/s10071-009-0294-0},
	url = {http://dx.doi.org/10.1007/s10071-009-0294-0},
	author = {Wilzeck, Christiane and Wiltschko, Wolfgang and G{\"u}nt{\"u}rk{\"u}n, Onur and Buschmann, Jens-Uwe and Wiltschko, Roswitha and Prior, Helmut}
}
@article {Holland2009Testing,
	title = {Testing the role of sensory systems in the migratory heading of a songbird},
	journal = {J Exp Biol},
	volume = {212},
	number = {24},
	year = {2009},
	month = {December},
	pages = {4065{\textendash}4071},
	abstract = {The identification of the sensory cues and mechanisms by which migratory birds are able to reach the same breeding and wintering grounds year after year has eluded biologists despite more than 50 years of intensive study. While a number of environmental cues have been proposed to play a role in the navigation of birds, arguments still persist about which cues are essential for the experience based navigation shown by adult migrants. To date, few studies have tested the sensory basis of navigational cues used during actual migration in the wild: mainly laboratory based studies or homing during the non-migratory season have been used to investigate this behaviour. Here we tested the role of olfactory and magnetic cues in the migration of the catbird (Dumetella carolinensis) by radio tracking the migration of birds with sensory manipulations during their actual migratory flights. Our data suggest that adult birds treated with zinc sulphate to produce anosmia were unable to show the same orientation as control adults, and instead reverted to a direction similar to that shown by juveniles making their first migration. The magnetic manipulation had no effect on the orientation of either adults or juveniles. These results allow us to propose that the olfactory sense may play a role in experience based migration in adult catbirds. While the olfactory sense has been shown to play a role in the homing of pigeons and other birds, this is the first time it has been implicated in migratory orientation. 10.1242/jeb.034504},
	keywords = {aves, birds, mechanims, migration, olfaction, orientation, zug},
	doi = {10.1242/jeb.034504},
	url = {http://dx.doi.org/10.1242/jeb.034504},
	author = {Holland, R. A. and Thorup, K. and Gagliardo, A. and Bisson, I. A. and Knecht, E. and Mizrahi, D. and Wikelski, M.}
}
@article {Kyriacou2009Clocks,
	title = {Clocks, cryptochromes and Monarch migrations},
	journal = {Journal of Biology},
	volume = {8},
	number = {6},
	year = {2009},
	pages = {55+},
	abstract = {The annual migration of the Monarch butterfly (Danaus plexippus) from eastern North America to central Mexico is one of nature{\textquoteright}s most inspiring spectacles. Recent studies including one in BMC Biology, have begun to dissect the molecular and neurogenetic basis for this most complex behavior.},
	keywords = {clocks, insects, magnetic\_orientation, migration, migrations, monarch\_butterfly, north\_america, orientation},
	issn = {1475-4924},
	doi = {10.1186/jbiol153},
	url = {http://dx.doi.org/10.1186/jbiol153},
	author = {Kyriacou, Charalambos}
}
@article {Brouwers2009Influence,
	title = {The influence of barriers and orientation on the dispersal ability of wood cricket (Nemobius sylvestris) (Orthoptera: Gryllidae)},
	journal = {Journal of Insect Conservation},
	year = {2009},
	month = {December},
	abstract = {Abstract\&nbsp;\&nbsp;Dispersal is an important process determining species spread and survival in fragmented landscapes. However, information on the dispersal ability of woodland-associated invertebrate species is severely lacking. A study was conducted examining the ability of wood cricket (Nemobius sylvestris) (Orthoptera: Gryllidae) to cross small watercourses and to orientate themselves towards habitat edges. A series of experiments were conducted where juvenile (i.e. nymph) and adult wood crickets were released and observed over time. The results of this investigation indicated that (i) nymphs and adults were equally able to swim across a small (<=35\&nbsp;cm) watercourse; and (ii) adult wood cricket were able to positively orientate themselves towards a mature woodland edge at a visual angle of >=19{\textdegree}, when less than 50\&nbsp;m away. Together, this investigation suggests that these traits likely facilitate the ability of this species to disperse within fragmented wooded landscapes, however, further study is needed to strengthen the significance of these findings for this and similar species.},
	keywords = {orientation, orthoptera},
	issn = {1366-638X},
	doi = {10.1007/s10841-009-9256-8},
	url = {http://dx.doi.org/10.1007/s10841-009-9256-8},
	author = {Brouwers, Niels and Newton, Adrian}
}
@article {Vermeij2010Coral,
	title = {Coral Larvae Move toward Reef Sounds},
	journal = {PLoS ONE},
	volume = {5},
	number = {5},
	year = {2010},
	month = {May},
	pages = {e10660+},
	publisher = {Public Library of Science},
	abstract = {Free-swimming larvae of tropical corals go through a critical life-phase when they return from the open ocean to select a suitable settlement substrate. During the planktonic phase of their life cycle, the behaviours of small coral larvae (<1 mm) that influence settlement success are difficult to observe in situ and are therefore largely unknown. Here, we show that coral larvae respond to acoustic cues that may facilitate detection of habitat from large distances and from upcurrent of preferred settlement locations. Using in situ choice chambers, we found that settling coral larvae were attracted to reef sounds, produced mainly by fish and crustaceans, which we broadcast underwater using loudspeakers. Our discovery that coral larvae can detect and respond to sound is the first description of an auditory response in the invertebrate phylum Cnidaria, which includes jellyfish, anemones, and hydroids as well as corals. If, like settlement-stage reef fish and crustaceans, coral larvae use reef noise as a cue for orientation, the alleviation of noise pollution in the marine environment may gain further urgency.},
	keywords = {bioacoustics, ecology, orientation, sound},
	doi = {10.1371/journal.pone.0010660},
	url = {http://dx.doi.org/10.1371/journal.pone.0010660},
	author = {Vermeij, Mark J. A. and Marhaver, Kristen L. and Huijbers, Chantal M. and Nagelkerken, Ivan and Simpson, Stephen D.}
}
