Results 51 to 60 of about 9,429 (219)

Implication of Cytoplasmic Factors in the Lethality of Bufonidae Nucleocytoplasmic Hybrids [PDF]

Development, Growth & Differentiation, 1984
The nucleocytoplasmic hybrid combination performed by nuclear graft between B. bufo nucleus and B. calamita egg is 95% lethal during gastrulation mostly at the young gastrula stage (75%) and to a lesser extent at the yolk plug stage (20%). The heterologous B. calamita cytoplasm was treated or fractioned by different techniques including centrifugation,
Michel, Delarue, Christian, Aimar
openaire   +2 more sources

Harvestmen (Arachnida: Opiliones) as Overlooked Predators of Anurans in the Neotropics

Ecology and Evolution, Volume 16, Issue 4, April 2026.
This study reports novel field observations of harvestmen (Opiliones: Cranaidae) preying on live frogs across multiple Neotropical localities, documenting active capture and consumption of anurans by these arachnids. Our findings expand the known trophic role of harvestmen as opportunistic vertebrate predators and highlight the need to consider ...
Esteban Calvache, Osvaldo Villarreal, Cynthia Ávila‐Rojas, Alexander G. Bentley, Kenny Brito, Chiara Correa‐Zanotti, Maida Gutiérrez‐Arboleda, Katherine Iñiguez, Juan Carlos Narváez, Lizardo Proaño, Mateo Reyes‐Vizcaíno, Luís Fernando García   +11 more
wiley   +1 more source

Anuran Assemblage Structure in the Serra Da Capivara National Park, Piauí State, North‐Eastern Brazil

Austral Ecology, Volume 51, Issue 4, April 2026.
ABSTRACT Biological communities consist of species that coexist and interact with each other and the environment over the same spatial and temporal scales. How species use the available resources can shape community structure, particularly in mechanisms that favour species coexistence, such as niche partitioning. This study investigated the spatial and
Nayla Letícia Assunção Rodrigues, Kássio de Castro Araújo, José Guilherme Gonçalves‐Sousa, Etielle Barroso de Andrade, Mirco Solé   +4 more
wiley   +1 more source

A new species of Cosmocerca (Nematoda, Ascaridomorpha) from the marine toad Rhinella marina (Linnaeus) (Anura, Bufonidae) in Australia [PDF]

ZooKeys, 2020
The marine toad Rhinella marina (Linnaeus) (Anura, Bufonidae) is a notorious, exotic amphibian species in Australia. However, our present knowledge of the composition of the nematode fauna of R. marina is still not complete.
Xue-Feng Ni, Diane P. Barton, Hui-Xia Chen, Liang Li   +3 more
doaj   +3 more sources

Egg clutch structure of Rhinella rumbolli (Anura: Bufonidae), a toad from the Yungas of Argentina, with a review of the reproductive diversity in Rhinella [PDF]

, 2015
Rhinella rumbolli is a poorly known, medium-sized toad endemic to the Yungas of Argentina. Recent fieldwork allowed observing its peculiar oviposition mode, which is described in this paper.
Baldo, Juan Diego, Faivovich, Julián, Pereyra, Martín Oscar, Vera Candioti, María Florencia   +3 more
core  

Anura, Hylidae, Dendropsophus nahdereri (Lutz and Bokermann, 1963): Distribution extension and new state record. [PDF]

, 2010
Dendropsophus nahdereri is included in the Dendropsophus marmoratus group. Its distribution is known fromthe Brazilian states of Paraná and Santa Catarina. Here we report new records of this species and briefly describe the habitatof calling males.
Balestrin, R. L., Borges-Martins, M., Buhler, D., Colombo, P., Leonardi, S. B., Santos, R. R., Schossler, M., Verrastro, L., Zank, C.   +8 more
core   +1 more source

The Importance of Environmental Heterogeneity in Evaluating the Conservation Status of Two Frog Species in a Changing Amazonian Interfluve

Animal Conservation, Volume 29, Issue 1, Page 60-70, February 2026.
Identifying the most effective criterion to assess the conservation status of vulnerable species in threatened tropical regions is crucial to evaluate recovery plans. We investigated the influence of environmental heterogeneity on the extent of occurrence (EOO), area of occupied habitat (AOH), and density variation of two Amazonian riparian frog ...
Rafael F. Jorge, Pedro Aurélio Costa Lima Pequeno, William E. Magnusson, Albertina Pimentel Lima   +3 more
wiley   +1 more source

Citizen science enables a new locality record for a critically endangered toad, Peltophryne Florentinoi Moreno & Rivalta, 2007

Novitates Caribaea, 2019
The Zapata Toad (Peltophryne florentinoi) is reported from a new locality, Guajimico, which extends the distribution of this species to the Cienfuegos Province, in the central region of Cuba.
Luis M. Díaz, Jeffrey M. Lemm, Erick M. Briggs, Sharon Clark, Andrew L. Dannenberg, Russell G. Gamber, Jane Kelly, Patrick Laughlin, Gary Markowski, Erin L. Shelley, Adrian B. Van Bakel   +10 more
doaj   +1 more source

An integrated physiological perspective on anthropogenic stressors in the Gulf coast toad (Incilius nebulifer)

Frontiers in Ecology and Evolution, 2023
Anthropogenic environmental change, including climate change and urbanization, results in warmer temperatures in both terrestrial and aquatic habitats and changes in community assemblages including invasive species introductions, among many other ...
Dillon J. Monroe, Lea A. Barny, Alice Wu, Kevin P. C. Minbiole, Caitlin R. Gabor   +4 more
doaj   +1 more source

The Role of Environmental Factors on Visual Communication in Neotropical Anurans

Global Ecology and Biogeography, Volume 35, Issue 2, February 2026.
ABSTRACT Aim Visual signals are a widespread behavioural attribute of communication among vertebrates, often employed during intrasexual competition or mate attraction, ultimately influencing reproductive success. However, the environmental factors driving visual signal evolution remain poorly understood.
Leonardo Matheus Servino, Eduardo S. A. Santos, Cinthia Aguirre Brasileiro   +2 more
wiley   +1 more source