Quantitative description of the vocal repertoire of the territorial olive frog<i>Babina adenopleura</i>from Taiwan

Chuang, Ming‐Feng; Kam, Yeong Choy; Bee, Mark A.

doi:10.1080/09524622.2015.1076347

Cited by 10 publications

(3 citation statements)

References 49 publications

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“…Small-world structure has been found in human language, bird song, and humpback whale song ( Cancho and Solé 2001 ; Cody et al 2015 ; Allen et al 2019 ), where certain acoustic units shape closely-knit subgraphs with high rates of internal transitions. One possible reason for the lack of small-world structure is that male frogs flexibly modify their calls, any number of identical notes or different types of notes might be added or subtracted ( Chuang et al 2016 ; Furtado et al 2016 ; Liu et al 2018 ), which might generate variable vocal sequences. Bernal et al (2009) reported a gradual increase in call complexity in túngara frogs, and males never transitioned from 3 to 1 or 0 chucks in either direction.…”

Section: Discussionmentioning

confidence: 99%

Network analysis reveals context-dependent structural complexity of social calls in serrate-legged small treefrogs

Deng

Wang

et al. 2022

Current Zoology

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Vocal communication plays an important role in survival, reproduction, and animal social association. Birds and mammals produce complex vocal sequence to convey context-dependent information. Vocalizations are conspicuous features of the behavior of most anuran species (frogs and toads), and males usually alter their calling strategies according to ecological context to improve the attractiveness/competitiveness. However, very few studies have focused on the variation of vocal sequence in anurans. In the present study, we used both conventional method and network analysis to investigate the context-dependent vocal repertoire, vocal sequence, and call network structure in serrate-legged small treefrogs Kurixalus odontotarsus. We found that male K. odontotarsus modified their vocal sequence by switching to different call types and increasing repertoire size in the presence of a competitive rival. Specifically, compared with before and after the playback of advertisement calls, males emitted fewer advertisement calls, but more aggressive calls, encounter calls and compound calls during the playback period. Network analysis revealed that the mean degree, mean closeness, and mean betweenness of the call networks significantly decreased during the playback period, which resulted in lower connectivity. In addition, the increased proportion of one-way motifs and average path length also indicates that the connectivity of the call network decreased in competitive context. However, the vocal sequence of K. odontotarsus did not display a clear small-world network structure, regardless of contexts. Our study presents a paradigm to apply network analysis to vocal sequence in anurans and has important implications for understanding the evolution and function of sequence patterns.

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Section: Discussionmentioning

confidence: 99%

Network analysis reveals context-dependent structural complexity of social calls in serrate-legged small treefrogs

Deng

Wang

et al. 2022

Current Zoology

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“…We recorded advertisement calls of 13 male Uperodon systoma and seven male U. globulosus . We extracted call properties based on the recommendations mentioned in the research articles [ 5 , 55 , 56 ]. The ten call properties were: call rate (ms), call duration (ms), rise time (ms), fall time (ms), low frequency (Hz), high frequency (Hz), delta power (dB), frequency modulation of low frequency (Hz), frequency modulation of high frequency (Hz) and dominant harmonic count (terminologies defined in Table 5 ; Fig.…”

Section: Methodsmentioning

confidence: 99%

Coexisting good neighbours: acoustic and calling microhabitat niche partitioning in two elusive syntopic species of balloon frogs, Uperodon systoma and U. globulosus (Anura: Microhylidae) and potential of individual vocal signatures

Prasad¹,

Chuang²,

Das³

et al. 2022

BMC Zool

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Background Most amphibians use a repertoire of acoustic signals to propagate signals in social contexts. The description of these repertoires provides a key towards the understanding of the behaviour of individuals and the evolutionary functions of calls. Here, we assessed the variations in advertisement calls within and between two fossorial sympatric species, Uperodon systoma and Uperodon globulosus, that share their breeding season and breeding sites. For each species, we applied Beecher’s index of total information capacity (HS) for the individual vocal signature, determined the difference in call properties and demonstrated the segregation in the calling microhabitat niche between the two species. Results Our results demonstrated that the advertisement calls of U. systoma are pulsatile with a call rate of 3.00 ± 0.97 calls per second while those of U. globulosus are not pulsatile with a lower call rate of 0.53 ± 0.22 calls per second. For both species, the variations in call properties among individuals was higher than that within individual, a pattern consistent with that of other fossorial anurans. The body condition and air temperature did not significantly impact the call properties of either species. The outcome of the Beecher’s index (HS) showed that the calls of U. systoma can be used to identify 14 different individuals and the calls of U. globulosus can be used to identify 26 different individuals. The statistical analyses on the advertisement call of the two species showed a significant difference in the temporal properties as the call duration, and fall time and rise time were significantly different between the two species. Lastly, we successfully demonstrated that there is a clear segregation in calling site microhabitat between the two species, where U. globulosus calls floating close to the bank of the waterbody while U. systoma calls floating further away from the bank. Conclusion This study highlights the potential for pre-mating isolation, character displacement and assortative mating in two syntopic fossorial anurans, leading to association between acoustic, calling microhabitat niche and body index divergence as important behavioural and ecological traits.

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“…Five typical kinds of vocalization namely reciprocation calls, release calls, distress calls, territorial calls, and advertisement calls (Bee and Perrill 1996) play important roles in the social context of this species, including in territory defense, mating attraction, breeding status, and predation alarms (Batista et al 2015;Toledo et al 2015;Galvis et al 2016;Guerra et al 2017). Of these, advertisement calls have been widely studied because they characterize species-specific courtship signals (Chuang et al 2016;Da Veiga Teixeira et al 2016;Galvis et al 2016;Modak et al 2016;Serrano 2016;Bosch et al 2017). Male anurans emit a unique advertisement call to enable females to identify and evaluate conspecific males (Grenat et al 2013;Twomey et al 2015;Protázio et al 2017), and female anurans often decide what male to mate based on the quality and structure of these calls (Pröhl 2003;Yu and Zheng 2009;Welch et al 2014).…”

Section: Introductionmentioning

confidence: 99%

Individual variation in advertisement calls of the pale-shouldered horned toad (Xenophrys boettgeri)

Zhou

Shao

et al. 2019

acta ethol

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The characteristics of male anurans' calls play an important role in mating success during the breeding season. In this study, we analyzed intra-and inter-individual variability of the advertisement calls of the pale-shouldered horned toad (Xenophrys boettgeri) in the field during its breeding season in Lishui, Zhejiang Province, China. The results showed that some acoustic parameters were significantly correlated with morphological features and air temperature. Most acoustic parameters including note numbers, call duration, and dominant frequency were static, whereas the call interval was intermediate. The CV b /CV w ratio was greater than 1.0 for all acoustic parameters analyzed, with between-individual variation being higher than within-individual variation. Furthermore, the acoustic parameter results of principle component analysis and discriminant function analysis indicated that note numbers and call interval are potentially useful for individual discrimination of X. boettgeri.

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Quantitative description of the vocal repertoire of the territorial olive frogBabina adenopleurafrom Taiwan

Cited by 10 publications

References 49 publications

Network analysis reveals context-dependent structural complexity of social calls in serrate-legged small treefrogs

Network analysis reveals context-dependent structural complexity of social calls in serrate-legged small treefrogs

Coexisting good neighbours: acoustic and calling microhabitat niche partitioning in two elusive syntopic species of balloon frogs, Uperodon systoma and U. globulosus (Anura: Microhylidae) and potential of individual vocal signatures

Individual variation in advertisement calls of the pale-shouldered horned toad (Xenophrys boettgeri)

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