Acoustic differentiation and behavioral response reveals cryptic species within Buergeria treefrogs (Anura, Rhacophoridae) from Taiwan.

Buergeria japonica is a widely distributed treefrog occurring from Ryukyu Archipelago to Taiwan. Across this wide distributional range, we combined molecular, acoustic, morphological, and behavioral characters to clarify the taxonomic status among these insular populations. Genetic differentiation i...

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Main Authors: Ying-Han Wang, Yu-Wei Hsiao, Ko-Huan Lee, Hui-Yun Tseng, Yen-Po Lin, Shohei Komaki, Si-Min Lin
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2017-01-01
Series:PLoS ONE
Online Access:https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0184005&type=printable
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author Ying-Han Wang
Yu-Wei Hsiao
Ko-Huan Lee
Hui-Yun Tseng
Yen-Po Lin
Shohei Komaki
Si-Min Lin
author_facet Ying-Han Wang
Yu-Wei Hsiao
Ko-Huan Lee
Hui-Yun Tseng
Yen-Po Lin
Shohei Komaki
Si-Min Lin
author_sort Ying-Han Wang
collection DOAJ
description Buergeria japonica is a widely distributed treefrog occurring from Ryukyu Archipelago to Taiwan. Across this wide distributional range, we combined molecular, acoustic, morphological, and behavioral characters to clarify the taxonomic status among these insular populations. Genetic differentiation in mitochondrial sequences indicated an over 16% divergence among two deeply divergent clades: Japanese clade distributes in Ryukyu Archipelago and northwestern drainages of Taiwan, while Taiwanese clade distributes in the remaining drainages on Taiwan. The Taiwanese clade can be distinguished from the nominative species not only by molecular and morphological differences, but also distinguishable by considerable acoustic differentiation, which is extraordinarily noticeable for an additional type of long call that never recorded from Japanese clade. The two clades form a parapatric distribution pattern with narrow contact zones both in western and eastern Taiwan. Playback experiments indicated that male frogs show significantly stronger defensiveness against conspecific calls rather than heterospecific calls, indicating that these signals play a crucial role in species recognition. Here we describe the Taiwanese clade as a new species; the behavioral response and the magnitude of gene flow across their contact zones are especially worth for detailed studies.
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spelling doaj.art-5d0fc6b560d8428690b8508a2eab12dd2025-02-27T05:36:52ZengPublic Library of Science (PLoS)PLoS ONE1932-62032017-01-01129e018400510.1371/journal.pone.0184005Acoustic differentiation and behavioral response reveals cryptic species within Buergeria treefrogs (Anura, Rhacophoridae) from Taiwan.Ying-Han WangYu-Wei HsiaoKo-Huan LeeHui-Yun TsengYen-Po LinShohei KomakiSi-Min LinBuergeria japonica is a widely distributed treefrog occurring from Ryukyu Archipelago to Taiwan. Across this wide distributional range, we combined molecular, acoustic, morphological, and behavioral characters to clarify the taxonomic status among these insular populations. Genetic differentiation in mitochondrial sequences indicated an over 16% divergence among two deeply divergent clades: Japanese clade distributes in Ryukyu Archipelago and northwestern drainages of Taiwan, while Taiwanese clade distributes in the remaining drainages on Taiwan. The Taiwanese clade can be distinguished from the nominative species not only by molecular and morphological differences, but also distinguishable by considerable acoustic differentiation, which is extraordinarily noticeable for an additional type of long call that never recorded from Japanese clade. The two clades form a parapatric distribution pattern with narrow contact zones both in western and eastern Taiwan. Playback experiments indicated that male frogs show significantly stronger defensiveness against conspecific calls rather than heterospecific calls, indicating that these signals play a crucial role in species recognition. Here we describe the Taiwanese clade as a new species; the behavioral response and the magnitude of gene flow across their contact zones are especially worth for detailed studies.https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0184005&type=printable
spellingShingle Ying-Han Wang
Yu-Wei Hsiao
Ko-Huan Lee
Hui-Yun Tseng
Yen-Po Lin
Shohei Komaki
Si-Min Lin
Acoustic differentiation and behavioral response reveals cryptic species within Buergeria treefrogs (Anura, Rhacophoridae) from Taiwan.
PLoS ONE
title Acoustic differentiation and behavioral response reveals cryptic species within Buergeria treefrogs (Anura, Rhacophoridae) from Taiwan.
title_full Acoustic differentiation and behavioral response reveals cryptic species within Buergeria treefrogs (Anura, Rhacophoridae) from Taiwan.
title_fullStr Acoustic differentiation and behavioral response reveals cryptic species within Buergeria treefrogs (Anura, Rhacophoridae) from Taiwan.
title_full_unstemmed Acoustic differentiation and behavioral response reveals cryptic species within Buergeria treefrogs (Anura, Rhacophoridae) from Taiwan.
title_short Acoustic differentiation and behavioral response reveals cryptic species within Buergeria treefrogs (Anura, Rhacophoridae) from Taiwan.
title_sort acoustic differentiation and behavioral response reveals cryptic species within buergeria treefrogs anura rhacophoridae from taiwan
url https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0184005&type=printable
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