ArticlePloS one2017
Testing the Sensory Drive Hypothesis: Geographic variation in echolocation frequencies of Geoffroy's horseshoe bat (Rhinolophidae: Rhinolophus clivosus).
Article in PloS one, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed, 29 citations in OpenAlex.
- Article
- Rainfall and Temperature Explain Colony Variation in Echolocation Calls of the Intermediate Horseshoe Bats (Ecology and evolution · 2026Article
- Dialect Formation in Ghost Bats: Genetic, Geographic and Morphological Drivers of Social and Echolocation Call Divergence.Ecology and evolution · 2026Article
- The roles of different gene expression regulators in acoustic variation in the intermediate horseshoe bat revealed by long-read and short-read RNA sequencing data.Current zoology · 2024Article
- Diversifying selection and climatic effects on major histocompatibility complex class II gene diversity in the greater horseshoe bat.Evolutionary applications · 2023Article
- Characterization of microRNA and gene expression in the cochlea of an echolocating bat (Ecology and evolution · 2022Article
- Detection distances in desert dwelling, high duty cycle echolocators: A test of the foraging habitat hypothesis.PloS one · 2022Article
- Geographic variation in the skulls of the horseshoe bats,Ecology and evolution · 2021Article
- Echolocation call frequency variation in horseshoe bats: molecular basis revealed by comparative transcriptomics.Proceedings. Biological sciences · 2020Article
- Molecular phylogenetics of the African horseshoe bats (Chiroptera: Rhinolophidae): expanded geographic and taxonomic sampling of the Afrotropics.BMC evolutionary biology · 2019Article
- Gene expression vs. sequence divergence: comparative transcriptome sequencing among naturalFrontiers in zoology · 2019Article
- Visual "playback" of colorful signals in the field supports sensory drive for signal detectability.Current zoology · 2018Article
- 25 Years of sensory drive: the evidence and its watery bias.Current zoology · 2018Article
- Weather conditions determine attenuation and speed of sound: Environmental limitations for monitoring and analyzing bat echolocation.Ecology and evolution · 2018Article
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Geographic variation in sensory traits is usually influenced by adaptive processes because these traits are involved in crucial life-history aspects including orientation, communication, lineage recognition and mate choice. Studying this variation can therefore provide insights into lineage diversification. According to the Sensory Drive Hypothesis, lineage diversification may be driven by adaptation of sensory systems to local environments. It predicts that acoustic signals vary in association with local climatic conditions so that atmospheric attenuation is minimized and transmission of the signals maximized. To test this prediction, we investigated the influence of climatic factors (specifically relative humidity and temperature) on geographic variation in the resting frequencies of the echolocation pulses of Geoffroy's horseshoe bat, Rhinolophus clivosus. If the evolution of phenotypic variation in this lineage tracks climate variation, human induced climate change may lead to decreases in detection volumes and a reduction in foraging efficiency. A complex non-linear interaction between relative humidity and temperature affects atmospheric attenuation of sound and principal components composed of these correlated variables were, therefore, used in a linear mixed effects model to assess their contribution to observed variation in resting frequencies. A principal component composed predominantly of mean annual temperature (factor loading of -0.8455) significantly explained a proportion of the variation in resting frequency across sites (P < 0.05). Specifically, at higher relative humidity (around 60%) prevalent across the distribution of R. clivosus, increasing temperature had a strong negative effect on resting frequency. Climatic factors thus strongly influence acoustic signal divergence in this lineage, supporting the prediction of the Sensory Drive Hypothesis. The predicted future increase in temperature due to climate change is likely to decrease the detection volume in echolocating bats and adversely impact their foraging efficiency.
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