Data from: Pigeons remember visual landmarks after one release and rely upon them more if they are anosmic

When using this dataset, please cite the original article.

Gagliardo A, Pollonara E, Wikelski M (2020) Pigeons remember visual landmarks after one release and rely upon them more if they are anosmic. Anim Behav. 166:85-94. doi:10.1016/j.anbehav.2020.05.009

Additionally, please cite the Movebank data package:

Gagliardo A, Pollonara E, Wikelski M (2020) Data from: Pigeons remember visual landmarks after one release and rely upon them more if they are anosmic. Movebank Data Repository. doi:10.5441/001/1.702j854s
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Package Identifier doi:10.5441/001/1.702j854s  
 
Abstract Anosmic birds' homing ability is impaired when challenged to navigate over unfamiliar areas. Nevertheless, anosmic pigeons, Columba livia, show unimpaired navigation when released within a familiar area, suggesting that they may rely on familiar visual landmarks for navigation. However, direct evidence for the reliance on familiar visual landmarks during homing in anosmic birds has never been provided. In this study we tracked pigeons subjected singly to one training flight from each of three locations. Prior to their second release from each site, half of the birds were made anosmic while the others were not manipulated. The level of route fidelity was analysed separately for three phases of the homing process, in which familiar visual cues may have different relevance and may be used within different cognitive strategies: (1) ‘Initial decision making’; (2) ‘En route navigation’; (3) ‘Local navigation around home’. Compared to control birds, the anosmic birds flew significantly closer to previously overflown locations in the ‘En route navigation’ phase, while no difference in route fidelity emerged during phases (1) and (3). Our results showed that a single experience is sufficient for pigeons to learn release site features, and that familiar visual landmarks constitute a critical source of navigational information in olfactorily deprived birds during the homing process.
Keywords animal movement, animal navigation, animal tracking, Columba livia, GPS logger, homing pigeons, olfaction,

Use of visual familiar cues in anosmic pigeons View File Details
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Use of visual familiar cues in anosmic pigeons-reference-data View File Details
Download: Use of visual familiar cues in anosmic pigeons-reference-data.csv ( 35.69Kb )
Download: README.txt ( 11.36Kb )
To the extent possible under law, the authors have waived all copyright and related or neighboring rights to this data.  


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