ArticleJournal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology2019
A reinterpretation of "Homing pigeons' flight over and under low stratus" based on atmospheric propagation modeling of infrasonic navigational cues.
Article in Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Waterfall low-frequency vibrations and infrasound: implications for avian migration and hazard detection.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2021Review
- Hearing in Indian peafowl (Pavo cristatus): sensitivity to infrasound.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2020Article
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Abstract
Pigeons flying above temperature inversion and related low-stratus layers appear to lack important navigational cues, and a reinterpretation of Wagner's 1978 study suggests that these cues are low-frequency acoustic signals (infrasound). Wagner released homing pigeons above opaque stratus over the Swiss Plateau to determine whether they could locate their loft beneath it. Birds above the clouds appeared lost, while those that descended beneath them returned home directly. Atmospheric propagation modeling of infrasonic waves virtually transmitted from the loft area shows that these signals would have been ducted beneath the inversion layer, and would not have reached the release sites above it. The absence of homeward infrasonic cues above temperature inversions could explain the disorientation of Wagner's birds, especially if such signals are the predominant cues used by pigeons to home. The possible generation of infrasonic navigational signals in the loft area and recent queries concerning the infrasound navigational "map" hypothesis are also discussed.
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