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Pensoft is an innovative publisher specializing in open-access academic journals, books, and platforms, particularly in the fields of biodiversity, ecology, and environmental sciences. Founded in 1992, Pensoft is committed to promoting transparency, accessibility, and high-quality scientific communication through cutting-edge publishing tools and workflows. Their portfolio includes over 50 peer-reviewed journals and a strong emphasis on integrating technology, such as integrated biodiversity data and semantic enhancements, into the publishing process.

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9803 works

Showing 5551 to 5600 of 9803 works

The incidence of the anomaly P syndrome in water frogs (Anura, Ranidae, Pelophylax) from the Middle Volga River (Russi…

The anomaly P is a widespread morphological anomaly, which occurs in some groups of amphibians, caused by the trematode parasite Strigea robusta (Digenea: Strigeidae). This anomal…

Melanism in the grass snake Natrix natrix (Linnaeus, 1758) from the Danube Delta Biosphere Reserve, Romania

Animal colouration has a significant ecological role in defence, reproduction, and thermoregulation. In the case of melanism, it is a complex topic. Besides potential disadvantage…

First record of Anatololacerta pelasgiana (Mertens, 1959) in mainland Greece: another new species in Athens

Urban habitats receive an increasing number of species due to anthropogenic activities, mainly transportations. Here, we report a new addition to the herpetofauna of Athens (Greec…

Amolops putaoensis Gan, Qin, Lwin, Li, Quan, Liu & Yu, 2020, a newly recorded torrent frog for China

Amolops putaoensis is a recently described torrent frog species from A. monticola group that is known only from its type locality, northern Myanmar. We compared morphology and mit…

Multimale breeding aggregations by “many-friends” snakes: courtship behaviours by Malagasy Pseudoxyrhophiine snakes, D…

When several male snakes dispute over one female in the breeding season, two major male-male rivalries are known to occur: male-male combat and multimale breeding aggregation. The…

Filling a gap in the distribution of the Berthold’s Bush Anole, Polychrus gutturosus (Squamata, Polychrotidae), in Hon…

The family Polychrotidae Fitzinger, 1843 is represented in Honduras by a single species, Polychrus gutturosus Berthold, 1845. This canopy dweller is distributed in the lowland moi…

Erythrism in the Eastern Grass Snake, Natrix natrix (Linnaeus, 1758)

We describe the unusual case of erythrism in the Eastern Grass Snake, Natrix natrix. This colour morph is very rare and has not been reported in the literature before. Despite hav…

Eat or be eaten? An observation of Podarcis erhardii consuming Scolopendra cingulata from Andros Island, Cyclades, Gre…

Podarcis wall lizards mainly feed on coleopterans, orthopterans, arachnids, and other small invertebrates. However, Aegean wall lizards, Podarcis erhardii, are widely distributed …

First record of Theloderma khoii Ninh, Nguyen, Nguyen, Hoang, Siliyavong, Nguyen, Le, Le & Ziegler, 2022 from China, w…

We report the first country record of Theloderma khoii Ninh, Nguyen, Nguyen, Hoang, Siliyavong, Nguyen, Le, Le & Ziegler, 2022 from China based on a specimen collected from Wensha…

A new species of the genus Leptobrachella (Anura, Megophryidae) from northwestern Guangdong Province, China

The genus Leptobrachella is a species-rich genus of megophrid frog. Rapid discovery of many new species within this genus emphasizes the importance of regional research. In this s…

Description of the antipredatory head-wobble behaviour in Chilean rear-fanged snakes Tachymenis peruviana Wiegmann, 18…

In this work, we describe the first records of head-wobble behaviour for Tachymenis peruviana and T. chilensis coronellina. We analyse this behaviour (occurrence, frequency) and a…

The distribution of the critically endangered salamander Paradactylodon (Afghanodon) mustersi (Smith, 1940) in Afghanis…

The Afghanistan Mountain Salamander, Paradactylodon (Afghanodon) mustersi (Smith, 1940), is an evolutionary old species, listed as Critically Endangered by IUCN Red List. The spec…

Chromatic and morphological anomalies in gymnophionans from India

Caecilians (Gymnophiona) are commonly known as limbless amphibians and are the least understood vertebrate order. In this paper, we documented skin color, eye, jaw, snout, tentacu…

Developmental anomalies in the smooth snake, Coronella austriaca Laurenti, 1768 (Squamata, Colubridae) from Poland

We present four cases of rare developmental anomalies in the smooth snake Coronella austriaca Laurenti, 1768 from western Poland. These include brachycephaly, lordosis, a supernum…

First record of Lepidodactylus lugubris (Duméril & Bibron, 1836) (Squamata, Gekkonidae) from Hainan Island, China

Lepidodactylus lugubris is known from tropical Asia, Oceania, and Latin America, but in China it was previously known only from Taiwan Island. In this paper, we report a new herpe…

Gigantism in tadpoles and color anomalies in European green toad Bufotes viridis from Poland

Some new cases of anomalies in wild Bufotes viridis from Western Poland are presented together with a discussion of their potential causes and a comparison with similar cases from…

A new subspecies of the Asiatic softshell turtle Amyda ornata (Gray, 1861) from its northern distribution range

We describe a new subspecies of Amyda ornata (Gray, 1861) from the southeastern parts of Bangladesh (Chittagong hill tracts), adjacent regions of north-eastern India (Mizoram, Ass…

First record of the Diadem Snake, Spalerosophis diadema (Squamata, Colubridae) for Lebanon

We report the first record of the Diadem Snake, Spalerosophis diadema cliffordii (Schlegel, 1837) for Lebanon, based on an adult male found in the semi-desert area of the Beqaa Va…

A new species of bent-toed geckos of the genus Cyrtodactylus Gray, 1827 from western Arunachal Pradesh, India

A new species of bent-toed geckos of the genus Cyrtodactylus is described from western Arunachal Pradesh. The new species is a member of the Indo-Burma clade and is embedded withi…

Great capricorn beetle-created corridors as refuges for lizards

Ecosystem engineering is among the most important factors shaping ecosystems; however, it remains largely unstudied. Here, we present observations on three lizard species, the com…

On the occurrence of Lygosoma siamense Siler, Heitz, Davis, Freitas, Aowphol, Termprayoon & Grismer, 2018 (Squamata, S…

The genus Lygosoma Hardwicke & Gray, 1827 is a group of semi-fossorial supple skink from Southeast Asia, the members of which are still understudied in Indochina. Lysosoma quadrup…

New records of Darevskia praticola at the northern limit of its distribution range in Romania

In the summer of 2021 we identified three new distribution localities of Darevskia praticola north of the Mureș River, and one locality south of the river. The habitats populated …

First record of ranavirus (Ranavirus sp.) in Siberia, Russia

Ranaviruses are a group of double-strand DNA viruses that infect fish, amphibians and reptiles. These viruses are responsible for mass fish and amphibian mortality events worldwid…

Distribution extension of Leptobrachella eos (Ohler, Wollenberg, Grosjean, Hendrix, Vences, Ziegler & Dubois, 2011): f…

We report the first country record of Leptobrachella eos (Ohler, Wollenberg, Grosjean, Hendrix, Vences, Ziegler & Dubois, 2011) from Thailand, based on one specimen collected from…

New record of the viviparous lizard Zootoca vivipara (Jacquin, 1787) in Hungary

The lowland populations of the viviparous lizard Zootoca vivipara in the Carpathian Basin occur in cold, marshy relict habitats. In one of the largest wetlands in Hungary, Kis-Bal…

Phylogenetic position of Odorrana macrotympana (Yang, 2008) (Anura, Ranidae) and extension of its geographical distrib…

Based on a 16S rRNA gene fragment, a molecular phylogeny for the genus Odorrana Fei, Ye & Huang, 1990 was reconstructed, the validity of the poorly-known ranid species O. macrotym…

First country record of the fanged frog Limnonectes nguyenorum McLeod, Kurlbaum & Hoang, 2015 (Anura, Dicroglossidae) …

We report the first record of Limnonectes nguyenorum McLeod, Kurlbaum & Hoang, 2015 outside of Vietnam, namely from China, based on five specimens collected from Daweishan Nature …

Molecular phylogeny of Lytorhynchus diadema (Reptilia, Colubridae) populations in Saudi Arabia

This study presents the molecular phylogenetic relationships among Lytorhynchus diadema (Duméril, Bibron & Duméril, 1854) populations in Saudi Arabia relative to populations from …

The European green toad, Bufotes viridis, in Donaufeld (Vienna, Austria): status and size of the population

The European green toad, Bufotes viridis (Laurenti, 1768), is a rare and protected species in Vienna. In spring and summer 2020, we conducted a survey to assess size and status of…

Two new species of snail-eating snakes of the genus Tropidodipsas (Serpentes, Dipsadidae) from southern Mexico, with no…

We describe two new species of Tropidodipsas related to the T. fasciata species group as defined by Kofron (1987), and provide morphological and molecular data to support the nove…

Taxonomic reassessment of the poorly known microhylid, Kalophrynus menglienicus Yang & Su, 1980

The taxonomic status of Kalophrynus menglienicus Yang & Su, 1980 was evaluated based on newly collected topotype specimens. Phylogenetic analysis showed that this species should b…

Choice of tree holes as oviposition sites by Kurixalus eiffingeri on Iriomote Island

Oviposition site choice affects survival and growth of offspring, particularly in frogs in which the offspring cannot move from the oviposition site. We intended to find the featu…

Anti-predator behaviour of Rhinella major (Müller and Hellmich 1936), with insights into the Rhinella granulosa group

In anurans, the different types of anti-predator behaviour have been documented in isolation, but some species have shown synergistic strategies in different situations. The displ…

New distribution record, ecology and tail trifurcation of Cyrtodactylus mamanwa (Gekkonidae) on Dinagat Islands, Philip…

This study highlights the ecology, natural history, and a new distribution record by providing a unique habitat occurrence record in karst ecosystem and describes a tail anomaly o…

Characterisation of a skin secretion with adhesive properties in the ground frog Eupsophus vertebralis (Alsodidae)

Some skin secretions with adhesive properties allow frogs to distract predators and escape; their nature is poorly studied. Here, we report the sticky skin secretion released by t…

Effects of body temperature on initial bite force in three species of rock- and crevice-dwelling lizards from Mexico

Bite force can be an important aspect of a lizard’s organismal performance, and is likely to be subject to influence by ambient conditions including an individual’s thermal enviro…

The Moorish gecko, Tarentola mauritanica Linnaeus, 1758 (Squamata, Phyllodactylidae), in Albania

We summarised the records of Tarentola mauritanica in Albania. The first record for the country was published in 1989 from Sazan Island; however, it was never confirmed again. Ano…

Lurking in the depth: Pond depth predicts microhabitat selection by Rhinella icterica (Anura: Bufonidae) tadpoles at tw…

Habitat selection has long been a central theme in ecology and has historically considered both physiological responses and ecological factors affecting species establishment. Inv…

The genus Pelophylax (Amphibia, Ranidae) in Pakistan: museum collections and possible distribution

We provide the first comprehensive data on the questionable distribution of the genus Pelophylax and the family Ranidae from Pakistan. Based on a literature review and two specime…

A new species of Micryletta Dubois, 1987 (Anura, Microhylidae) from Yunnan Province, China

A new species of the genus Micryletta Dubois, 1987 is described from Yunnan Province, China, based on morphological and molecular analyses. The most obvious differences between th…

Second observation of the reproductive biology of Blythia reticulata (Blyth, 1854) (Reptilia, Squamata, Colubridae)

A second observation on the reproduction of Blythia reticulata was based on three eggs found on a forest path among leaf litter and successfully incubated. Given the limited knowl…

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…

The first comprehensive data on the distribution of reptiles within the Southern Bug eco-corridor, Ukraine

This study provides distribution data for 12 species of reptiles in the Southern Bug eco-corridor located within the steppe zone, Mykolaiv Oblast (province), Ukraine. We compiled …

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…

Fine-scale analysis of habitat occupancy by Kura lizard (Darevskia portschinskii) and its daughter parthenogenetic form…

Two species of rock lizards, the parthenogenetic D. dahli and the sexually reproducing D. portschinskii, coexist in a rocky outcrop in an area of ca. 1 ha, in the vicinity of Tbil…

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 …

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