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Keywords: orientation
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Journal Articles
J Exp Biol (2022) 225 (Suppl_1): jeb243216.
Published: 8 March 2022
... apparatus. However, conveying 3D spatial data of muscle orientation throughout a feeding cycle, ontogenetic pathway or phylogenetic lineage is essential to understanding the function and evolution of the skull in vertebrates. Here, we detail the use of ternary plots for displaying and comparing the 3D...
Includes: Supplementary data
Journal Articles
J Exp Biol (2022) 225 (5): jeb243870.
Published: 4 March 2022
...Eric Maaß; Frederike D. Hanke ABSTRACT Visual landmarks are defined as objects with prominent shape or size that distinguish themselves from the background. With the help of landmarks, animals can orient themselves in their natural environment. Yet, the way in which landmarks are perceived...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (22): jeb243337.
Published: 18 November 2021
...Florian Packmor; Dmitry Kishkinev; Flora Bittermann; Barbara Kofler; Clara Machowetz; Thomas Zechmeister; Lucinda C. Zawadzki; Tim Guilford; Richard A. Holland ABSTRACT For studies on magnetic compass orientation and navigation performance in small bird species, controlled experiments...
Journal Articles
J Exp Biol (2021) 224 (13): jeb238345.
Published: 8 July 2021
... obtain map information. Newts were displaced from breeding ponds without access to route-based cues to sites where they were held and/or tested under diffuse natural illumination. We found that: (1) newts held overnight at the testing site exhibited accurate homing orientation, but not if transported...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (3): jeb237875.
Published: 9 February 2021
... establish their star compass in spring of the year following their first autumn migration or later. Bird migration Orientation Compass systems Celestial cues Magnetic compass Migratory birds Emlen funnels Migratory birds can use three different compass systems to determine...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (2): jeb239574.
Published: 29 January 2021
... and the spectral distribution across the sky could provide directional information that T. saltator can potentially use to orient itself during the day even when the sun is not visible (e.g. cloudy sky). The scope of this work was (1) to determine the intensity levels of sky radiance that the sandhoppers use...
Journal Articles
J Exp Biol (2020) 223 (18): jeb164921.
Published: 23 September 2020
...Sönke Johnsen; Kenneth J. Lohmann; Eric. J. Warrant ABSTRACT Diverse organisms use Earth's magnetic field as a cue in orientation and navigation. Nevertheless, eliciting magnetic orientation responses reliably, either in laboratory or natural settings, is often difficult. Many species appear...
Journal Articles
J Exp Biol (2020) 223 (14): jeb224618.
Published: 22 July 2020
...-oriented loops that are centered near the point of search initiation. The radius of this search is scaled to the animal's positional uncertainty during path integration, improving the effectiveness of the search. The search behaviors exhibited by N. oerstedii bear a striking resemblance to search behaviors...
Includes: Supplementary data
Journal Articles
In collection:
Neuroethology
J Exp Biol (2020) 223 (5): jeb212332.
Published: 11 March 2020
... are generated when the current behaviourally relevant cues are not available, and a well-described LAL subnetwork produces activity which increases sampling of the environment. We propose that, when behaviourally relevant cues are available, the LALs may integrate orientation information from several sensory...
Journal Articles
J Exp Biol (2019) 222 (11): jeb193201.
Published: 4 June 2019
... and previously visited locations. Foragers that travel straight to the foraging tree or to trees close to the nest show reduced navigational success in orienting and returning from displacements compared with individuals that forage further from the nest site. By analysing the cues present in the panorama, we...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (Suppl_1): jeb184077.
Published: 6 February 2019
... that monitored their orientation as they swam in a water-filled arena surrounded by a magnetic coil system ( Lohmann et al., 2004 ). (B) Juvenile turtles were captured in feeding grounds near the test site in Florida. Each turtle was exposed to a magnetic field that exists at one of two distant locations along...
Journal Articles
J Exp Biol (2019) 222 (Suppl_1): jeb189746.
Published: 6 February 2019
... environment later in life. Coral reef fish Larval dispersal Orientation MHC peptides Olfaction Crypt cell Like many aquatic organisms, coral reef fish show a dual life stage, where settled adults produce dispersing larvae. At hatching, planktonic larvae drift away from the reef to spend...
Journal Articles
In collection:
Neuroethology
J Exp Biol (2018) 221 (24): jeb179218.
Published: 14 December 2018
... considerable scientific attention. Nocturnal moth migrations have traditionally been investigated by light trapping and by observations in the wild, but in recent times a considerable improvement in our understanding of this phenomenon has come from studying insect orientation behaviour, using vertical-looking...
Journal Articles
In collection:
Neuroethology
J Exp Biol (2018) 221 (19): jeb183632.
Published: 1 October 2018
... spatial vision for different tasks than chitons with eyes. Unlike chitons with eyes, Chiton tuberculatus and C. marmoratus fail to distinguish between sudden appearances of overhead objects and equivalent, uniform changes in light levels. We also find that C. tuberculatus orients to static objects...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (13): jeb174854.
Published: 1 July 2018
... to a food source rather than the shortest. Optimal foraging Raiding behavior Social insect Foraging strategy Decision making Orientation Ants deploy a large variety of foraging strategies, ranging from solitary hunting to the recruitment of bigger groups via chemical communication...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (5): jeb172205.
Published: 1 March 2018
... 10 2017 29 12 2017 © 2018. Published by The Company of Biologists Ltd 2018 http://www.biologists.com/user-licence-1-1/ Summary: Lobsters avoid artificial dens below strong magnets, suggesting that magnetic anomalies might affect lobster orientation and movement. Magnet...
Journal Articles
J Exp Biol (2017) 220 (23): 4339–4346.
Published: 1 December 2017
... of the central complex (CX) of the insect brain might shed some light on possible neural mechanisms of dance behaviour. We summarise the features of dance communication across the species of the genus Apis . We then propose that neural mechanisms of orientation and spatial processing found to be supported...
Journal Articles
J Exp Biol (2017) 220 (15): 2765–2776.
Published: 1 August 2017
...Bernd-U. Meyburg; Ugis Bergmanis; Torsten Langgemach; Kai Graszynski; Arno Hinz; Ingo Börner; Christiane Meyburg; Wouter M. G. Vansteelant ABSTRACT The ontogeny of migration routines used by wild birds remains unresolved. Here we investigated the migratory orientation of juvenile lesser spotted...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (9): 1578–1585.
Published: 1 May 2017
...) oriented towards the fictive nest, indicating a possible increase in cue strength with vector length. When the ants were displaced locally to create a conflict between the home direction indicated by the path integrator and terrestrial landmarks, foragers oriented using landmark information exclusively...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (7): 1202–1209.
Published: 1 April 2017
... in a spatial orientation task using magnetic compass cues. The birds were well oriented along the trained magnetic compass axis when trained and tested under low-irradiance 521 nm green light. In the presence of a 1.4 MHz radio-frequency electromagnetic (RF)-field, the birds were disoriented, which supports...
Includes: Supplementary data