Works on Amphibian and Reptile Biology
Published research works tagged with the topic “Amphibian and Reptile Biology”.
761 works
Showing 601 to 650 of 761 works
Females of the four-eyed frog, Pleurodema thaul (Anura, Leptodactylidae), respond behaviourally to conspecific male sce…
Among amphibians, conspecific chemical communication has been widely studied in Caudata. Adult anurans, by contrast, have received less attention. Recently, it was shown that chem…
New herpetofaunal records from Gunung Mulu National Park and its surrounding areas in Borneo
Gunung Mulu National Park (GMNP) in northwestern Borneo is marked by high species diversity and diverse environments. We present one new amphibian and ten new reptile records from…
Distribution extension of Calotes irawadi Zug, Brown, Schulte & Vindum, 2006, previously confused with C. versicolor (D…
We report the first country record of Calotes irawadi, identified previously as C. versicolor, from China based on four specimens collected from Tongbiguan Nature Reserve, Western…
A high mountain lizard from Peru: The world’s highest-altitude reptile
Life at high altitudes is particularly challenging for ectothermic animals like reptiles and involves the evolution of specialised adaptations to deal with low temperatures, hypox…
Yet another kukri snake piercing an anuran abdomen: Oligodon ocellatus (Morice, 1875) eats Duttaphrynus melanostictus (…
A case of Oligodon ocellatus eating a toxic adult toad, Duttaphrynus melanostictus, in Cat Tien National Park, southern Vietnam, is provided. We found a kukri snake having buried …
Gruesome twosome kukri rippers: Oligodon formosanus (Günther, 1872) and O. fasciolatus (Günther, 1864) eat Kaloula pulc…
Predation on adult microhylid frogs Kaloula pulchra by two closely-related colubrid snakes is described, based on two observations of Oligodon formosanus in Hong Kong and one obse…
Demography and spatial activity of fire salamanders, Salamandra salamandra (Linnaeus, 1758), in two contrasting habitat…
Understanding population dynamics is vital in amphibian conservation. To compare demography and movements, we conducted a capture-recapture study over three spring seasons in two …
Rediscovery and distribution extension of the rare Kukri Snake, Oligodon hamptoni Boulenger, 1918 (Reptilia, Serpentes,…
Oligodon hamptoni is a rare species of Kukri Snake known from only two specimens, both collected nearly a century ago in northern Myanmar. Here, we report the third record of this…
An agricultural practice as a direct threat to the snake-eyed skink Ablepharus kitaibelii (Bibron & Bory de Saint-Vince…
Terrestrial reptiles are threatened by numerous anthropogenic activities, including agriculture. Many agricultural methods and techniques affect the herpetofauna located in the ol…
A case of color aberration in a fire salamander (Salamandra salamandra) larva
Color aberrations in salamanders are caused by defective chromatophores or by disrupted synthesis of the pigments, and have been previously reported in Europe. In this paper we re…
First record of Zhangixalus franki Ninh, Nguyen, Orlov, Nguyen & Ziegler, 2020 (Anura, Rhacophoridae) from China
We record Zhangixalus franki Ninh, Nguyen, Orlov, Nguyen & Ziegler, 2020 for the first time from China based on two specimens collected from Laoshan Nature Reserve, Yunnan Provinc…
Signals of decline of flagship species Ambystoma altamirani Dugès, 1895 (Caudata, Ambystomatidae) in a Mexican natural …
Mexico is home to 18 species of salamanders in the family Ambystomidae. Endangered Ambystoma altamirani Dugès, 1895 is a flagship species for the Lagos de Zempoala National Park (…
Crepuscular and nocturnal activity of the Nose-horned viper, Vipera ammodytes (Linnaeus, 1758) is more common than prev…
Different snake species may be active at various times of the day. In Europe, most snake species are predominantly diurnal, but about a third are partially or principally crepuscu…
Eviscerated alive: Novel and macabre feeding strategy in Oligodon fasciolatus (Günther, 1864) eating organs of Duttaphr…
A hitherto unknown feeding mode among snakes is described for the colubrid snake Oligodon fasciolatus in Northeast Thailand. Three cases of O. fasciolatus using enlarged posterior…
The first record of the genus Microgecko Nikolskii, 1907 for Iraq
The genus Microgecko Nikolskii, 1907 (Gekkonidae) currently includes eight species distributed from western Iran to north-western India and Pakistan. During field research in Iraq…
Aspidoscelis costatus costatus (Squamata, Teiidae): high elevation clutch production for a population of whiptail lizar…
Clutch size and number of clutches per reproductive cycle are important life history traits that can be influenced by anatomical, physiological, evolutionary, and ecological facto…
First record of the invasive gecko, Lepidodactylus lugubris Duméril & Bibron, 1836 in mainland Chile (Squamata, Gekkoni…
In Chile, the presence of Mourning Gecko, Lepidodactylus lugubris Duméril & Bibron, 1836 has been recognized for Easter Island (Rapa Nui) from late 19th century. Here, we report t…
New record of a Dalmatolacerta oxycephala (Duméril & Bibron, 1839) population in the northern part of Montenegro
Two previously known northernmost localities of Sharp-snouted rock lizard in Montenegro were the entrance of the Komarnica Canyon (Nevidio), and the middle part of the Tara River …
Variation in species richness, composition and herpetological community structure across a tropical habitat gradient of…
Information on species richness and community structure is invaluable for guiding conservation and management of biodiversity, but is rarely available in the megadiverse biodivers…
The possible origin of the common wall lizard, Podarcis muralis (Laurenti, 1768) in Ukraine
The phylogenetic relationships and possible origin of a putative non-native population of Podarcis muralis in Ukraine were assessed based on sequences of the mitochondrial gene cy…
Observations on the oviposition of Blythia reticulata (Blyth, 1854) with new distributional records from Mizoram State,…
The poorly known semi-fossorial snake Blythia reticulata is a small, oviparous, worm-eating species found in northeastern India and neighboring countries. Here we report on multip…
Genetic evidence for occurrence of Macrovipera razii (Squamata, Viperidae) in the central Zagros region, Iran
This study presents the first molecular evidence of Macrovipera razii from central Zagros, more than 300 km north-west of its prior records in southern Iran. Molecular analyses ba…
Characterization of an Alsodes pehuenche breeding site in the Andes of central Chile
Alsodes pehuenche, an endemic anuran that inhabits the Andes of Argentina and Chile, is considered “Critically Endangered” due to its restricted geographical distribution and mult…
Shot the spots: A reliable field method for individual identification of Amolops formosus (Anura, Ranidae)
Natural body patterns in amphibians are widely used for individual recognition. In this study, we photographed individuals of Amolops formosus for four days of sampling without ha…
An update of the geographical distribution of Pleurodema marmoratum (Duméril & Bibron, 1840) in the Chilean Altiplano
This study summarizes new and historical records of one of the least known anuran species from the Chilean Altiplano, Pleurodema marmoratum (Duméril & Bibron, 1840). The discovery…
New records of the anomaly P syndrome in two water frog species (Pelophylax ridibundus and P. lessonae) in Russia
The “anomaly P” was described in Palearctic water frogs of the genus Pelophylax by Jean Rostand as complex morphological anomalies of water frogs, including polydactyly, brachymel…
The home range of adult Phrynops geoffroanus (Testudines, Chelidae) in relation to sex and body mass
Studying how different variables influence the size and shape of animals’ home ranges helps our understanding of the ecology of individuals and populations. This study aims to ass…
The Caucasian Toad, Bufo verrucosissimus (Pallas, 1814) in the Levant: evidence from mitochondrial DNA
We present the first molecular analysis of the Bufo bufo (Linnaeus, 1758) complex population in the Levant. This complex contains four species distributed through the Western Pale…
Genetic diversity and structure of two endangered mole salamander species of the Trans-Mexican Volcanic Belt
The most important factor leading to amphibian population declines and extinctions is habitat degradation and destruction. To help prevent further extinctions, studies are needed …
Relative clutch mass of Basiliscus vittatus Wiegmann, 1828 (Squamata, Corytophanidae): female morphological constraints
Clutch size (CS) and relative clutch mass (RCM) are considered important features in life history descriptions of species within Squamata. Variations in these two characteristics …
Body size, age structure and survival rates in two populations of the Beyşehir frog Pelophylax caralitanus
In many amphibians, skeletochronology is a reliable tool for assessing individual mean longevity, growth rates and age at sexual maturity. We used this approach to determine the a…
Additional data to the herpetofauna of Afghanistan
This study provides observation on 21 species of amphibians and reptiles obtained during various field trips in Afghanistan from 2007 to 2018. The core of this study is distributi…
Emergence and dispersal of snakes after syntopic hibernation
A communal hibernaculum situated in Southwestern Bulgaria and its adjacent area (4 km in diameter) was studied. Seven snake species used this hibernating den, Malpolon insignitus,…
Endoparasites in two species of ranid frogs from Peninsular Malaysia, Odorrana hosii (Boulenger, 1891) and O. monjerai …
Odorrana hosii and O. monjerai from Peninsular Malaysia were examined for endoparasites. Only Nematoda were found. For Odorrana hosii, Amphibiocapillaria bufonis, Cosmocerca ornat…
Hindlimb abnormality reduces locomotor performance in Pelobates cultripes metamorphs but is not predicted by larval mor…
Locomotor performance is a fundamental feature commonly related to many animals’ fitness. In most cases, locomotor performance is closely related to morphology of the structures r…
Herpetofauna in a highly endangered area: the Triângulo Mineiro region, in Minas Gerais State, Brazil
The Brazilian Cerrado and Atlantic Forest shelter an especially rich herpetofauna and experience strong anthropogenic disturbances, which is also true for the western portion of M…
A long-term study of a snake community in north-western Tuscany (central Italy): population structure and density patte…
We analysed a snake species community of a Mediterranean 0.2 ha ecotonal area during a 21 year time span, monitoring two colubrid and one viperid snake species. We carried out ana…
Early onset of breeding season in the green toad Bufotes viridis in Western Poland
Amphibians are highly sensitive to environmental changes such as climate warming. Here, we report unusually early oviposition in two spatially isolated urban subpopulations of the…
Observation on rapid physiological color change in Giant tree frog Rhacophorus smaragdinus (Blyth, 1852) from Namdapha …
Many poikilotherms have the ability to change body color for homeostatic regulation, conspecific communication or predator deterrence. Physiological color change is a rapid, rever…
Tropidodipsas sartorii (Cope, 1863) (Squamata: Dipsadidae): an addition to the snake fauna from Guerrero, Mexico
We report for the first time on the presence of the snake Tropidodipsas sartorii in the Mexican state of Guerrero. According to distribution and morphological evidence, the specim…
New data on the distribution of lizards in Caucasus
New data on the distribution of four species of lizards (Darevskia brauneri, D. daghestanica, Lacerta agilis ioriensis, L. strigata) in the Caucasus are presented.
Release calls of four species of Phyllomedusidae (Amphibia, Anura)
Anurans emit a variety of acoustic signals in different behavioral contexts during the breeding season. The release call is a signal produced by the frog when it is inappropriatel…
A skeletochronological estimate of age and growth in a large riparian frog from Madagascar (Anura, Mantellidae, Mantida…
We characterized the body size (as snout-vent length), age, sexual size dimorphism, and growth rate in a population of one of the larger riparian frog from Madagascar (Mantidactyl…
Diet of the Rufous Frog Leptodactylus fuscus (Anura, Leptodactylidae) from two contrasting environments
The impact of urbanization on amphibians has received some attention in the conservation literature. Despite the various impacts on animal life, some species can persist along the…
Tadpole of Leptopelis ragazzii (Boulenger, 1896), Shoa Forest Tree Frog (Anura, Arthroleptidae)
The tadpole of poorly studied Leptopelis ragazzii (Boulenger, 1896), a high-altitude tree frog species from the Ethiopian highlands, is described for the first time and compared w…
Does carnivory pay off? Experiments on the effects of different types of diet on growth and development of Bufo bufo (L…
Natural diets of anuran larvae vary widely in their relative amounts of nutrients. The proportion of these ingested nutrients has significant influence on larval and post-metamorp…
Opening a turtle graveyard: Size distribution of dead individuals of Phrynops geoffroanus (Pleurodira, Chelidae)
Aquatic animals, such as freshwater turtles, are much dependent on the water bodies where they live. Here we describe the size distribution of a population of Phrynops geoffroanus…
Fluctuations in population abundance in two anurans from Central Serbia
We monitored the population size of the agile frog (Rana dalmatina) and the common toad (Bufo bufo) from 2011 or 2012, respectively, to the year 2017 at a syntopic breeding site i…
Distress calls of Leptodactylus knudseni Heyer, 1972 (Anura, Leptodactylidae)
We describe distress calls of Leptodactylus knudseni recorded in Colombia and Brazil. These calls share similar acoustic features with previous records from other species of L. pe…
Designing biosurveillance using target analysis for a cryptic invasive species, the brown treesnake (Boiga irregularis)
Biosurveillance is especially important for invasive species that are difficult to control or remove once established. Target analysis, or the strategic evaluation of factors that…