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Zoological Research

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https://www.readbyqxmd.com/read/29695683/taxonomic-revision-of-the-genus-mesechinus-mammalia-erinaceidae-with-description-of-a-new-species
#1
Huai-Sen Ai, Kai He, Zhong-Zheng Chen, Jia-Qi Li, Tao Wan, Quan Li, Wen-Huan Nie, Jin-Huan Wang, Wei-Ting Su, Xue-Long Jiang
Hedgehogs in the genus Mesechinus (Family Erinaceidae), which include two currently recognized species (M. dauuricus and M. hughi), are distributed from northeast Mongolia to the upper Amur Basin in Russia and adjacent areas in northeast and northern China. In recent years, a population of Mesechinus hedgehogs was discovered from Mt. Gaoligong, southwestern Yunnan, China, far from the known distribution range of the genus. Furthermore, these hedgehogs are the only known population to be distributed at elevations higher than 2 100 m and in sympatry with gymnures...
April 25, 2018: Zoological Research
https://www.readbyqxmd.com/read/29683111/a-new-karst-dwelling-bent-toed-gecko-squamata-gekkonidae-cyrtodactylus-from-xiangkhoang-province-northeastern-laos
#2
Roman A Nazarov, Olivier S G Pauwels, Evgeniy L Konstantinov, Anatoliy S Chulisov, Nikolai L Orlov, Poyarkov Jr
We describe a new karst-dwelling Cyrtodactylus from Ban Thathom, Xiangkhoang Province, northeastern Laos. The new species can be distinguished from other congeners by having four dark dorsal bands between limb insertions, a discontinuous nuchal loop, 10 precloacal pores in males or 10-12 precloacal pits (females) separated by a diastema from a series of enlarged femoral scales bearing 18 or 19 pores (male) or 8-10 pits (females) along each femur, 14-18 dorsal tubercle rows at midbody, no precloacal groove, 30-36 midbody scale rows across belly between ventrolateral skin folds, transversely enlarged subcaudal plates, and a maximal known snout-vent length of 75...
April 20, 2018: Zoological Research
https://www.readbyqxmd.com/read/29683110/a-new-species-of-the-genus-theloderma-tschudi-1838-amphibia-anura-rhacophoridae-from-tay-nguyen-plateau-central-vietnam
#3
Nikolay A Poyarkov, Ivan I Kropachev, Svetlana S Gogoleva, Nikolai L Orlov
A new species of small tree frog from a primary montane tropical forest of central Vietnam, Tay Nguyen Plateau, is described based on morphological, molecular, and acoustic evidence. The Golden Bug-Eyed Frog, Theloderma auratum sp. nov., is distinguishable from its congeners and other small rhacophorid species based on a combination of the following morphological attributes: (1) bony ridges on head absent; (2) smooth skin completely lacking calcified warts or asperities; (3) pointed elongated tapering snout; (4) vocal opening in males absent; (5) vomerine teeth absent; (6) males of small body size (SVL 21...
April 20, 2018: Zoological Research
https://www.readbyqxmd.com/read/29683109/a-new-genus-and-three-new-species-of-miniaturized-microhylid-frogs-from-indochina-amphibia-anura-microhylidae-asterophryinae
#4
Nikolay A Poyarkov, Chatmongkon Suwannapoom, Parinya Pawangkhanant, Akrachai Aksornneam, Tang Van Duong, Dmitriy V Korost, Jing Che
We report on the discovery of a new genus of microhylid subfamily Asterophryinae from northern and eastern Indochina, containing three new species. Vietnamophryne Gen. nov. are secretive miniaturized frogs (SVL<21 mm) with a mostly semi-fossorial lifestyle. To assess phylogenetic relationships, we studied 12S rRNA-16S rRNA mtDNA fragments with a final alignment of 2?591 bp for 53 microhylid species. External morphology characters and osteological characteristics analyzed using micro-CT scanning were used for describing the new genus...
April 20, 2018: Zoological Research
https://www.readbyqxmd.com/read/29683108/a-new-species-of-smooth-skink-squamata-scincidae-scincella-from-cambodia
#5
Thy Neang, Somaly Chan, Nikolay A Poyarkov
Based on morphological and genetic evidence we evaluated the taxonomic status of a newly discovered forest-dwelling population of skink (genus Scincella) from the Keo Seima Wildlife Sanctuary, Mondulkiri Province, Cambodia. From phylogenetic analysis of a 668-bp fragment of the mtDNA COI and diagnostic morphological characters we allocate the newly discovered population to the Scincella reevesii-S. rufocaudata species complex and describe it as Scincella nigrofasciata sp. nov. The new skink species can be distinguished from all other Southeast Asian congeners by the following combination of morphological characters: snout-vent length (SVL) 40...
April 20, 2018: Zoological Research
https://www.readbyqxmd.com/read/29643326/identification-and-characterization-of-short-tandem-repeats-in-the-tibetan-macaque-genome-based-on-resequencing-data
#6
San-Xu Liu, Wei Hou, Xue-Yan Zhang, Chang-Jun Peng, Bi-Song Yue, Zhen-Xin Fan, Jing Li
The Tibetan macaque, which is endemic to China, is currently listed as a Near Endangered primate species by the International Union for Conservation of Nature (IUCN). Short tandem repeats (STRs) refer to repetitive elements of genome sequence that range in length from 1-6 bp. They are found in many organisms and are widely applied in population genetic studies. To clarify the distribution characteristics of genome-wide STRs and understand their variation among Tibetan macaques, we conducted a genome-wide survey of STRs with next-generation sequencing of five macaque samples...
April 11, 2018: Zoological Research
https://www.readbyqxmd.com/read/29643325/a-new-species-of-the-genus-leptolalax-anura-megophryidae-from-southern-vietnam
#7
Tang Van Duong, Dang Trong Do, Chung Dac Ngo, Truong Quang Nguyen, Nikolay A Poyarkov
We describe a new species of megophryid frog from Phu Yen Province in southern Vietnam. Leptolalax macrops sp. nov. is distinguished from its congeners by a combination of the following morphological attributes: (1) body size medium (SVL 28.0-29.3 mm in three adult males, 30.3 mm in single adult female); (2) supra-axillary glands present, creamy white; ventrolateral glands indistinct; (3) tympanum externally distinct; (4) dorsal skin roughly granular with larger tubercles, dermal ridges on dorsum absent; (5) rudimentary webbing present between fingers I-II and II-III; rudimentary webbing between all toes; fingers and toes without dermal fringes; (6) in life ventral surface greyish-violet with white speckling; (7) supratympanic fold distinct, dark brown in life; (8) iris bicolored, typically golden in upper half, fading to golden green in lower half; (9) tibia short (TbL/SVL 0...
April 10, 2018: Zoological Research
https://www.readbyqxmd.com/read/29616679/variations-in-diet-composition-of-sympatric-trachypithecus-francoisi-and-macaca-assamensis-in-the-limestone-habitats-of-nonggang-china
#8
Qi-Hai Zhou, Zhong-Hao Huang, Hua Wei, Cheng-Ming Huang
Comparative studies of sympatric species are essential for understanding behavioral and ecological adaptation as well as the mechanisms that can reduce resource competition to allow coexistence. François' langurs (Trachypithecus francoisi) and Assamese macaques (Macaca assamensis) are sympatric primate species found in the limestone seasonal rainforests of Nonggang Nature Reserve, southwestern Guangxi, China. To explore their different adaptation strategies, we collected data on diet using scan sampling at 15-min intervals...
April 3, 2018: Zoological Research
https://www.readbyqxmd.com/read/29616678/species-identification-of-crested-gibbons-nomascus-in-captivity-in-china-using-karyotyping-and-pcr-based-approaches
#9
Wen-Hui Nie, Jin-Huan Wang, Wei-Ting Su, Yu Hu, Shui-Wang He, Xue-Long Jiang, Kai He
Gibbons and siamangs (Hylobatidae) are well-known for their rapid chromosomal evolution, which has resulted in high speciation rate within the family. On the other hand, distinct karyotypes do not prevent speciation, allowing interbreeding between individuals in captivity, and the unwanted hybrids are ethically problematic as all gibbon species are endangered or critically endangered. Thus, accurate species identification is crucial for captive breeding, particularly in China where studbooks are unavailable...
April 3, 2018: Zoological Research
https://www.readbyqxmd.com/read/29551759/ecology-and-social-system-of-northern-gibbons-living-in-cold-seasonal-forests
#10
REVIEW
Zhen-Hua Guan, Chang-Yong Ma, Han-Lan Fei, Bei Huang, Wen-He Ning, Qing-Yong Ni, Xue-Long Jiang, Peng-Fei Fan
Gibbons in China represent the northernmost margin of present day gibbon species distribution (around N25°). Compared to tropical habitats, northern gibbon habitats are characterized by low temperatures and remarkable seasonal variation in fruit abundance. How gibbons adapt to their cold and seasonal habitats and what ecological factors affect their sociality are key questions for understanding their ecology and social system evolution, the elucidation of which will contribute to the conservation of these special populations/species...
March 12, 2018: Zoological Research
https://www.readbyqxmd.com/read/29551758/female-choice-impacts-residential-male-takeover-in-golden-snub-nosed-monkeys-rhinopithecus-roxellana
#11
Gu Fang, Jing Chen, Ru-Liang Pan, Xiao-Guang Qi, Bao-Guo Li
In primate species with social systems consisting of one-male breeding units (OMUs), resident male takeover represents a major challenge to individual reproductive success and mating strategies. The golden snub-nosed monkey (Rhinopithecus roxellana) is characterized by large multilevel societies (MLS) comprised of several OMUs and all-male units (AMUs); however, the factors and mechanisms associated with resident male takeover, which offer important insight into primate reproduction and social strategies, are still poorly understood...
March 12, 2018: Zoological Research
https://www.readbyqxmd.com/read/29551761/a-road-for-a-promising-future-for-china-s-primates-the-potential-for-restoration
#12
REVIEW
Colin A Chapman
China is one of the most dynamic countries of the world and it shelters some amazing levels of biodiversity, including some very special primate species. However, primarily as a result of forest loss, most of which occurred in historical times, approximately 70% of China's primate species have less than 3 000 individuals. Here I evaluate one road for future conservation/development that could produce very positive gains for China's primates; namely forest restoration. I argue that for a large scale restoration project to be possible two conditions must be met; the right societal conditions must exist and the right knowledge must be in hand...
March 9, 2018: Zoological Research
https://www.readbyqxmd.com/read/29551763/species-delimitation-based-on-diagnosis-and-monophyly-and-its-importance-for-advancing-mammalian-taxonomy
#13
REVIEW
Eliécer E Gutiérrez, Guilherme S T Garbino
A recently proposed taxonomic classification of extant ungulates sparked a series of publications that criticize the Phylogenetic Species Concept (PSC) claiming it to be a particularly poor species concept. These opinions reiteratively stated that (1) the two fundamental elements of the "PSC", i.e., monophyly and diagnosability, do not offer objective criteria as to where the line between species should be drawn; and (2) that extirpation of populations can lead to artificial diagnosability and spurious recognitions of species...
March 8, 2018: Zoological Research
https://www.readbyqxmd.com/read/29551760/extant-primates-and-development-of-primatology-in-china-publications-student-training-and-funding
#14
Peng-Fei Fan, Chi Ma
China supports the richest non-human primate diversity in the northern hemisphere, providing an excellent opportunity for Chinese primatologists to take a leading role in advancing the study of primatology. Primatology in China began to flourish after 1979. To date, Chinese primatologists have published more than 1000 papers in journals indexed by the Chinese Science Citation Database and the Web of Science Core Collection, and universities and academic institutions have trained 107 PhD students and 370 Masters students between 1984 and 2016...
March 8, 2018: Zoological Research
https://www.readbyqxmd.com/read/29551757/impacts-of-late-quaternary-environmental-change-on-the-long-tailed-ground-squirrel-urocitellus-undulatus-in-mongolia
#15
Bryan S McLean, Batsaikhan Nyamsuren, Andrey Tchabovsky, Joseph A Cook
Impacts of Quaternary environmental changes on mammal faunas of central Asia remain poorly understood due to a lack of geographically comprehensive phylogeographic sampling for most species. To help address this knowledge gap, we conducted the most extensive molecular analysis to date of the long-tailed ground squirrel (Urocitellus undulatus Pallas 1778) in Mongolia, a country that comprises the southern core of this species' range. Drawing on material from recent collaborative field expeditions, we genotyped 128 individuals at 2 mitochondrial genes (cytochrome b and cytochrome oxidase I; 1 797 bp total)...
March 8, 2018: Zoological Research
https://www.readbyqxmd.com/read/29766979/playing-it-cool-characterizing-social-play-bout-termination-and-candidate-play-signals-of-juvenile-and-infant-tibetan-macaques-macaca-thibetana
#16
Kaitlin R Wright, Jessica A Mayhew, Lori K Sheeran, Jake A Funkhouser, Ronald S Wagner, Li-Xing Sun, Jin-Hua Li
Play behaviors and signals during playful interactions with juvenile conspecifics are important for both the social and cognitive development of young animals. The social organization of a species can also influence juvenile social play. We examined the relationships among play behaviors, candidate play signals, and play bout termination in Tibetan macaques (Macaca thibetana) during juvenile and infant social play to characterize the species play style. As Tibetan macaques are despotic and live in groups with strict linear dominance hierarchies and infrequent reconciliation, we predicted that play would be at risk of misinterpretation by both the individuals engaged in the play bout and by those watching, possibly leading to injury of the players...
July 18, 2018: Zoological Research
https://www.readbyqxmd.com/read/29515095/complete-mitochondrial-genome-of-the-thai-red-junglefowl-gallus-gallus-and-phylogenetic-analysis
#17
LETTER
Chatmongkon Suwannapoom, Ya-Jiang Wu, Xing Chen, Adeniyi C Adeola, Jing Chen, Wen-Zhi Wang
In this study, we sequenced the complete mitochondrial genome (mitogenome) of the Thai Red Junglefowl (RJF; Gallus gallus) using the next-generation sequencing (NGS) platform of the Ion Torrent PGM. Samples were taken from Mae Wang District, Chiang Mai Province, northern Thailand. Our data showed the complete mitogenome to be 16 785 bp in length, composed by 13 protein-coding genes, 22 tRNA genes, two rRNA genes, and one control region. The genome nucleotide composition was 30.3% A, 23.7% T, 32.5% C, and 13...
March 18, 2018: Zoological Research
https://www.readbyqxmd.com/read/29515094/autoseqman-batch-assembly-of-contigs-for-sanger-sequences
#18
Jie-Qiong Jin, Yan-Bo Sun
With the wide application of DNA sequencing technology, DNA sequences are still increasingly generated through the Sanger sequencing platform. SeqMan (in the LaserGene package) is an excellent program with an easy-to-use graphical user interface (GUI) employed to assemble Sanger sequences into contigs. However, with increasing data size, larger sample sets and more sequenced loci make contig assemble complicated due to the considerable number of manual operations required to run SeqMan. Here, we present the 'autoSeqMan' software program, which can automatedly assemble contigs using SeqMan scripting language...
March 18, 2018: Zoological Research
https://www.readbyqxmd.com/read/29515093/stereotypy-and-variability-of-social-calls-among-clustering-female-big-footed-myotis-myotis-macrodactylus
#19
Yan-Hong Xiao, Lei Wang, Joseph R Hoyt, Ting-Lei Jiang, Ai-Qing Lin, Jiang Feng
Echolocating bats have developed advanced auditory perception systems, predominantly using acoustic signaling to communicate with each other. They can emit a diverse range of social calls in complex behavioral contexts. This study examined the vocal repertoire of five pregnant big-footed myotis bats (Myotis macrodactylus). In the process of clustering, the last individual to return to the colony (LI) emitted social calls that correlated with behavior, as recorded on a PC-based digital recorder. These last individuals could emit 10 simple monosyllabic and 27 complex multisyllabic types of calls, constituting four types of syllables...
March 18, 2018: Zoological Research
https://www.readbyqxmd.com/read/29515092/discovery-of-japalura-chapaensis-bourret-1937-reptilia-squamata-agamidae-from-southeast-yunnan-province-china
#20
Kai Wang, Ke Jiang, Yu-Fan Wang, Nikolay A Poyarkov, Jing Che, Cameron D Siler
Due to a paucity of surveys in northern Indochina and lack of international collaborations among neighboring countries, recognized distributional ranges for many amphibian and reptile species end at the political borders for some countries, despite seemingly continuous suitable habitat spanning the region. Combining both morphological and genetic data, we report the first discovery of Japalura chapaensis, a rare agamid lizard believed previously to be endemic to northern Vietnam only, along the border region of southeastern Yunnan Province, China...
March 18, 2018: Zoological Research
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