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Hyperpredation of Freshwater Turtles and Tortoises by Subsidized Corvids 被补贴的鸦科鸟类对淡水龟和陆龟的过度捕食
IF 2.5 2区 生物学 Q3 ZOOLOGY Pub Date : 2023-12-14 DOI: 10.1655/herpmonographs-d-21-00005.1
Patrick D. Moldowan
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引用次数: 0
A Contribution to the Systematics of Sunda Shelf Angle-Headed Dragons (Agamidae: Gonocephalus) with the Description of New Taxa from Sumatra 对巽他大陆架角头龙系统学的贡献(龙舌龙科:角头龙属)及苏门答腊新红豆杉属的描述
IF 2.5 2区 生物学 Q3 ZOOLOGY Pub Date : 2023-03-30 DOI: 10.1655/herpmonographs-d-22-00001
M. B. Harvey, G. Sarker, Irvan Sidik, N. Kurniawan, Eric N Smith
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引用次数: 0
Calling Frogs by Their Name: Long-Lasting Misidentification of Tetraploid Frogs of the Genus Odontophrynus (Anura: Odontophrynidae) 直呼蛙名:齿蛙属四倍体蛙的长期误认(无尾目:齿蛙科)
IF 2.5 2区 生物学 Q3 ZOOLOGY Pub Date : 2022-11-18 DOI: 10.1655/herpmonographs-d-21-00004
S. Rosset, D. Baldo, C. Borteiro, F. Kolenc, N. J. Cazzaniga, N. Basso
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引用次数: 0
Genus-specific and Habitat-dependent Plant Ingestion in West African Sabre-toothed Frogs (Anura, Odontobatrachidae: Odontobatrachus) 西非剑齿蛙对植物摄食的属特异性和生境依赖性(无尾目,齿蟾科:齿蟾科)
IF 2.5 2区 生物学 Q3 ZOOLOGY Pub Date : 2022-05-06 DOI: 10.1655/0733-1347-36.1.2
M. Schäfer, Karla NEIRA-SALAMEA, Laura Sandberger-Loua, Joseph Doumbia, Mark‐Oliver Rödel
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引用次数: 0
Miniaturization in Direct-Developing Frogs from Mexico with the Description of Six New Species 墨西哥直接发育蛙类的小型化及六个新种的描述
IF 2.5 2区 生物学 Q3 ZOOLOGY Pub Date : 2022-04-04 DOI: 10.1655/0733-1347-36.1.1
Tom J.M. Jameson, Jeffrey W. Streicher, L. Manuelli, J. Head, Eric N Smith
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引用次数: 3
Taxonomic Revision of Scaly-toed Geckos (Reptilia: Gekkonidae: Lepidodactylus) in the Northern Philippines, with Descriptions of Four New Species 标题菲律宾北部鳞趾壁虎(爬行纲:鳞趾壁虎科:鳞翅目)分类订正及四新种记述
IF 2.5 2区 生物学 Q3 ZOOLOGY Pub Date : 2021-09-09 DOI: 10.1655/HERPMONOGRAPHS-D-19-00014
Samuel J Eliades, Rafe M. Brown, Wen-san Huang, Cameron D. Siler
Abstract: Recent higher level phylogenetic analyses of gekkonid lizards of the genus Lepidodactylus uncovered an array of unrecognized species diversity, particularly within the Philippine archipelago. Novel phylogenetic analyses of multilocus data sets suggest that as many as five, previously undescribed, species-level lineages of Scaly-toed Geckos occur in just the northern portions of the archipelago. Here, we evaluate Lepidodactylus species diversity in the Lepidodactylus yami–balioburius clade and describe four new forest species from Luzon Island and surrounding minor island groups. Interestingly, these species are the first endemic Lepidodactylus taxa described from Luzon proper and peripheral islands. In this first review of Philippine Scaly-toed Gecko diversity in nearly half a century, we use a suite of morphological characters along with molecular data to delimit evolutionary lineages. All species described in this paper can be distinguished from congeners by an array of discrete external traits; all are also monophyletic groups, separated in our phylogenetic analyses of the mitochondrial ND2 gene. This study increases significantly the number of known Scaly-toed Geckos in the Philippines from 7 to 11, which is likely still an underestimate of the species diversity in this understudied clade.
摘要:最近对鳞翅目蜥蜴属的gekkonid蜥蜴进行了更高级别的系统发育分析,发现了一系列未被识别的物种多样性,特别是在菲律宾群岛。对多点数据集的新系统发育分析表明,多达五个以前未描述的鳞趾壁虎物种级谱系仅出现在群岛的北部。在这里,我们评估了亚马细趾虫-巴廖布里虫分支中的细趾虫物种多样性,并描述了吕宋岛和周围小岛群的四个新森林物种。有趣的是,这些物种是在吕宋岛和周边岛屿上描述的第一个特有的鳞翅目分类群。在近半个世纪以来对菲律宾鳞趾壁虎多样性的首次综述中,我们使用了一套形态学特征和分子数据来界定进化谱系。本文中描述的所有物种都可以通过一系列离散的外部特征与同类物种区分开来;所有这些也是单系群,在我们对线粒体ND2基因的系统发育分析中是分离的。这项研究显著增加了菲律宾已知的鳞趾壁虎的数量,从7只增加到11只,这可能仍然低估了这个研究不足的分支的物种多样性。
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引用次数: 2
Revisiting Linnaean and Wallacean Shortfalls in Mindanao Fanged Frogs: The Limnonectes magnus Complex Consists of Only Two Species 重新审视棉兰老岛林奈和华莱士地区的尖牙蛙的不足:Limnonectes magnus复群仅由两种组成
IF 2.5 2区 生物学 Q3 ZOOLOGY Pub Date : 2021-09-09 DOI: 10.1655/HERPMONOGRAPHS-D-20-00010
R. Abraham, Mark W. Herr, Viktoria Sterkhova, Rayanna Otterholt, Cameron D. Siler, Marites B. Sanguila, Rafe M. Brown
Abstract: We revisit the question of species diversity among Mindanao Fanged Frogs of the Limnonectes magnus complex consisting of L. magnus, L. diuatus, L. ferneri, and a previously hypothesized putative new species, inferred in the first molecular phylogenetic studies of the genus almost 2 decades ago. Using a multilocus molecular deoxyribonucleic acid sequence data set and comprehensive sampling of 161 individuals from throughout the Mindanao Pleistocene aggregate island complex landmasses (a distinct faunal region of the southern Philippines) we characterize geographically structured genetic diversity, focusing on the phylogenetic placement of individuals from each species' type locality. We also present new morphometric data from large samples of freshly collected material from the type localities of each included species; together with examination of the name-bearing original type specimens, we conclude that an overestimation of species diversity has occurred and has been exacerbated by the indiscriminate acceptance of the hypothesis of the existence of widespread cryptic species in this group. We place L. ferneri in synonymy with L. diuatus, clarify the identification of the latter taxon with respect to L. magnus, and apply this name to the widespread, generalist, highly variable giant Fanged Frog distributed throughout the Mindanao faunal region of the southern Philippines.
摘要/ Abstract摘要:我们重新研究了棉兰老岛Limnonectes magnus复群的物种多样性问题,该复群由L. magnus、L. diuatus、L. ferneri和近20年前在该属的第一次分子系统发育研究中推断的一个假设的新种组成。利用多位点分子脱氧核糖核酸序列数据集和来自整个棉兰老更新世聚合岛复杂陆块(菲律宾南部一个独特的动物区)的161个个体的综合采样,我们描述了地理结构的遗传多样性,重点关注每个物种类型区域的个体的系统发育定位。我们还介绍了从每个包括物种的类型位置新收集的大量样品的新的形态测量数据;结合对同名原始模式标本的研究,我们得出结论,对物种多样性的高估已经发生,并且由于不加区分地接受该群体中存在广泛的隐种的假设而加剧了这种高估。我们将L. ferneri与L. diuatus同义,澄清了后者与L. magnus的鉴定,并将此名称应用于分布于菲律宾南部棉兰老岛动物区的广泛、通才、高度变异的巨型尖牙蛙。
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引用次数: 2
Contrasting Adult Body-Size in Sister Populations of the Balearic Lizard, Podarcis lilfordi (Günther 1874) Suggests Anthropogenic Selective Pressures 巴利阿里蜥蜴(Podarcis lilfordi,Günther 1874)姐妹种群成年体型的对比表明了人为的选择压力
IF 2.5 2区 生物学 Q3 ZOOLOGY Pub Date : 2021-09-09 DOI: 10.1655/HERPMONOGRAPHS-D-19-00005
A. Rotger, J. Igual, M. Genovart, V. Rodríguez, C. Ramon, V. Pérez‐Mellado, G. Bibiloni, J. Rita, G. Tavecchia
Abstract: Recently isolated populations offer a good biological model to infer the evolutionary forces responsible for the current divergences across populations. We coupled genetic, morphometric, ecological, and demographic analyses from three island populations of the endemic Balearic Wall Lizard, Podarcis lilfordi, (Balearic archipelago, Spain) to infer the mechanisms underlying the observed differences in body size. For each population, we described plant community structure, derived a biotic capacity index, and used individual-based data on 1369 lizards captured and released during 6 yr (2009–2015) to estimate population density and body growth patterns. We used genetic data collected on 80 individuals (∼27 for each population) to infer genetic divergences across islets and population history. Body size divergences cannot be explained by the ecological or population characteristics. Individual growth was slower in the smallest island, where lizards reached the largest average body size. In addition to having the highest density, results suggested that resource availability does not constrain asymptotic body size, but the speed at which individuals reach it does. The Approximate Bayesian Computation used to infer population history from genetic data supported the occurrence of two bottlenecks in the islet with the highest anthropogenic footprint. We emphasize the need to integrate ecological and genetic data and the importance of considering the effects of past human disturbance as an additional force in being able to model present island fauna.
摘要:最近分离的种群提供了一个很好的生物学模型来推断导致当前种群差异的进化力。我们对当地巴利阿里墙蜥蜴Podarcis lilfordi(西班牙巴利阿里群岛)的三个岛屿种群进行了遗传学、形态计量学、生态学和人口学分析,以推断观察到的体型差异的潜在机制。对于每个种群,我们描述了植物群落结构,推导了生物能力指数,并使用6年(2009-2015年)捕获和释放的1369只蜥蜴的个体数据来估计种群密度和身体生长模式。我们使用收集到的80个个体(每个种群约27个)的遗传数据来推断胰岛和种群历史之间的遗传差异。体型差异不能用生态或种群特征来解释。在最小的岛屿上,蜥蜴的个体生长速度较慢,那里的蜥蜴平均体型最大。除了具有最高的密度外,研究结果表明,资源的可用性并没有限制渐近体型,而是个体达到它的速度。用于从遗传数据推断种群历史的近似贝叶斯计算支持在人类足迹最高的小岛上出现两个瓶颈。我们强调需要整合生态和遗传数据,并强调将过去人类干扰的影响视为能够模拟当前岛屿动物群的额外力量的重要性。
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引用次数: 3
Analysis of Bobbing Displays in the Grahami Series Anoles from Jamaica and Grand Cayman 牙买加和大开曼群岛Grahami系列变色龙的摆动显示分析
IF 2.5 2区 生物学 Q3 ZOOLOGY Pub Date : 2021-07-09 DOI: 10.1655/HERPMONOGRAPHS-D-20-00007
J. Macedonia, D. L. Clark, M. Fonley
Abstract: Behavioral biologists have long been fascinated with the diversity of animal signals produced in the contexts of courtship and same-sex competition. In these contexts many lizards engage in conspicuous bobbing displays, and numerous studies have been devoted to describing these displays. Traditionally, bobbing displays are partitioned into units whose durations (and sometimes head amplitudes) are measured. Recently, Macedonia et al. (2019) introduced use of the Discrete Fourier Transform (DFT) as an alternative to unit-based variables for characterizing species-specific traits in display structure of Galápagos Lava Lizards (Microlophus spp.). The relative success of the two methods was not compared directly, however, because the homology of display units among species was uncertain. Here we overcome this problem using the “grahami series” of Anolis lizards—a monophyletic radiation of seven species on Jamaica and Grand Cayman. Our study had three primary goals. Our first goal was to discover whether DFT-based measures, unit-based measures, or their combination provided the best means to capture taxon-specific distinctiveness in display structure. To this end, we quantified bobbing displays and used nested analyses of variance (ANOVAs) to determine if particular variables were reliably superior at differentiating populations within a species. We then used principal components analysis to reduce the number of measurement variables, and entered the components into discriminant function analyses to determine which approach best discriminated among taxa. Results showed that no one type of measurement, or measurement combination, emerged as being consistently better at discriminating taxa across comparisons. Our second goal was to test a hypothesis that arose from our findings in Galápagos Lava Lizards—that the DFT may decrease in effectiveness as bobbing display structure increases in complexity. For this test we used four simple and compound display types from the species Anolis reconditus. Results of discriminant function analyses provided mixed support for the hypothesis, and we suggest that a definitive test of DFT performance and display complexity should utilize synthetic displays in which attributes of display structure are varied systematically. Last, we show how bobbing display structure maps onto alternative DNA-based phylogenies of the grahami series anoles. Whereas some species produced derived display types unanticipated from displays of more basal species in this adaptive radiation, others exhibited features that linked them to a particular population of a species in their clade.
摘要:行为生物学家长期以来一直对求偶和同性竞争中产生的动物信号的多样性着迷。在这种情况下,许多蜥蜴都会进行引人注目的摆动表演,许多研究都致力于描述这些表演。传统上,浮动显示器被划分为多个单元,这些单元的持续时间(有时还有头部振幅)被测量。最近,马其顿等人(2019)引入了离散傅立叶变换(DFT)作为基于单位的变量的替代方法,用于表征加拉帕戈斯熔岩蜥蜴(Microlophus spp.)展示结构中的物种特异性特征。然而,由于物种间展示单位的同源性不确定,因此没有直接比较这两种方法的相对成功。在这里,我们使用Anolis蜥蜴的“grahami系列”克服了这个问题——这是牙买加和大开曼群岛上七个物种的单系辐射。我们的研究有三个主要目标。我们的第一个目标是发现基于DFT的测量、基于单元的测量或它们的组合是否提供了捕捉显示结构中特定分类单元的独特性的最佳手段。为此,我们量化了波动显示,并使用嵌套方差分析(ANOVA)来确定特定变量在区分一个物种内的种群方面是否可靠。然后,我们使用主成分分析来减少测量变量的数量,并将这些成分输入判别函数分析中,以确定哪种方法在分类群中最有区别。结果表明,没有一种类型的测量或测量组合能够在比较中始终更好地区分分类群。我们的第二个目标是检验我们在加拉帕戈斯熔岩蜥蜴中的发现所产生的一个假设,即随着浮动显示结构复杂性的增加,DFT的有效性可能会降低。在这个测试中,我们使用了四种来自Anolis reconcitus物种的简单和复合展示类型。判别函数分析的结果为该假设提供了混合支持,我们建议DFT性能和显示复杂性的最终测试应该使用显示结构属性系统变化的合成显示。最后,我们展示了浮动显示结构如何映射到grahami系列anoles的基于DNA的系统发育中。尽管一些物种在这种适应性辐射中产生了更多基础物种的展示所没有预料到的衍生展示类型,但其他物种则表现出了将它们与分支中某个物种的特定种群联系起来的特征。
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引用次数: 1
Strike-Induced Chemosensory Searching in Reptiles: A Review 爬行动物罢工诱导的化学感觉搜索研究进展
IF 2.5 2区 生物学 Q3 ZOOLOGY Pub Date : 2021-06-11 DOI: 10.1655/0733-1347-35.1.28
Mark S. Teshera, R. Clark
Abstract: Chemosensory searching in squamates with specialized tongue–vomeronasal systems is well-documented. By tongue-flicking, these reptiles gather important chemical cues from their environment to guide their feeding behavior. Strike-induced chemosensory searching (SICS) is a specific expression of chemosensory reception that is central to the predatory strategy used by venomous reptiles that strike, release, and relocate their prey. This complex behavioral process consists of multiple sequential steps and has been mainly studied in viperids, particularly rattlesnakes. Although this phenomenon has been extensively researched, there is no comprehensive review of the SICS literature. Here, we provide such a review, centered on the idea that SICS is a result of suppression, and then enhancement, of chemosensory searching that serves as a key element of the ambush hunting strategy that most viperid snakes use to consume large and well-defended prey. SICS is also present in other venomous and nonvenomous taxa, and we include a taxonomic categorization of SICS studies in our review. We summarize the key findings discovered during decades of research into this remarkable feeding behavior and highlight areas where our knowledge remains incomplete in an effort to foster further research that will increase our understanding of reptilian feeding ecology.
摘要:具有特殊舌-舌鼻系统的鳞片的化学感觉搜索已被充分证明。通过轻弹舌头,这些爬行动物从环境中收集重要的化学线索来指导它们的进食行为。攻击诱导的化学感觉搜索(SICS)是化学感觉接受的一种特殊表达,是有毒爬行动物攻击、释放和重新安置猎物的捕食策略的核心。这种复杂的行为过程包括多个连续的步骤,主要研究毒蛇,特别是响尾蛇。虽然这一现象已被广泛研究,但没有对SICS文献进行全面的回顾。在这里,我们提供了这样一种综述,其中心思想是化学感觉搜索的抑制和增强的结果,化学感觉搜索是大多数毒蛇用来消耗大型和防御良好的猎物的伏击狩猎策略的关键要素。SICS也存在于其他有毒和无毒分类群中,我们在我们的综述中包括了SICS研究的分类学分类。我们总结了几十年来对这种非凡的摄食行为的研究发现,并强调了我们的知识仍然不完整的领域,以促进进一步的研究,这将增加我们对爬行动物摄食生态学的理解。
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引用次数: 1
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Herpetological Monographs
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