Call variation and calling site preference of three sympatric Boulenophrys frogs.

IF 2 2区 生物学 Q2 ZOOLOGY
Current Zoology Pub Date : 2024-11-28 eCollection Date: 2025-08-01 DOI:10.1093/cz/zoae067
Tianyu Qian, Yuanlingbo Shang, Wenbao Zheng, Pipeng Li, Daode Yang
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Abstract

Animals living in syntopy share acoustic space. Asian horned frogs are well known for their sympatric distribution, but little is known about their strategies to avoid acoustic niche competition. This study focused on three sympatric Boulenophrys frog species from southern China-B. nanlingensis, B. ombrophila, and B. shimentaina, with the former two species call in similar frequencies but breed in different seasons. First, we checked the call variation during the change of individual body size and the ambient air temperature in three species. We have found call frequencies were the most static parameters in each species that were associated with body size and contributed most to species identification. Temporal call parameters shift with temperature but are mostly influenced by low temperatures. Second, we checked the interactions between the environment and call properties. The calling site preferences of each species corresponded well with the prediction of the acoustic adaptation hypothesis (in view of higher frequency better transmission in open habitat), and species with similar call frequencies have some aspects of common calling sites. Third, we checked the species-species interaction by using playback tests with male B. nanlingensis. Results from playback experiments showed species that call at similar frequencies could hardly share the same habitat during the same season. These findings expanded the knowledge of acoustic coexistence in closely related anuran species and provided insights into the vocal behavior of Asian horned frogs.

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三种同域白石蛙的鸣叫变异及鸣叫地点偏好。
生活在同音环境中的动物共享声音空间。亚洲角蛙以其同域分布而闻名,但人们对它们避免声学利基竞争的策略知之甚少。本研究以中国南方三种同域蛙为研究对象。南岭白蛉、ombrophila白蛉和shimentaina白蛉的鸣叫频率相似,但繁殖季节不同。首先,我们考察了3个物种在个体体型变化和环境温度变化过程中的叫声变化。我们发现呼叫频率是每个物种中最静态的参数,与体型相关,对物种识别贡献最大。时间调用参数随温度变化,但主要受低温影响。其次,我们检查了环境和调用属性之间的相互作用。各物种的鸣叫点偏好与声适应假说的预测相吻合(在开阔生境中频率越高传播越好),鸣叫频率相近的物种具有共同鸣叫点的某些方面。第三,利用南岭白蚁雄虫重放试验,验证种间相互作用。回放实验的结果表明,叫声频率相似的物种在同一季节几乎不可能共享同一栖息地。这些发现扩大了对近亲无尾猿物种声学共存的认识,并为亚洲角蛙的发声行为提供了见解。
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来源期刊
Current Zoology
Current Zoology Agricultural and Biological Sciences-Animal Science and Zoology
CiteScore
3.20
自引率
9.10%
发文量
111
审稿时长
6 weeks
期刊介绍: About the Journal Current Zoology (formerly Acta Zoologica Sinica, founded in 1935) is an open access, bimonthly, peer-reviewed international journal of zoology. It publishes review articles and research papers in the fields of ecology, evolution and behaviour. Current Zoology is sponsored by Institute of Zoology, Chinese Academy of Sciences, along with the China Zoological Society.
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