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Sapos cantores sin oído. ¿Cuándo, cómo y por qué pierden el oído?
A pesar de cantar, muchas especies de sapos (Bufonidae) no tienen tímpano ni columela (huesecillo del oído medio equivalente al martillo, estribo y yunque en humanos). Es el caso convergente de la mayoría de especies de ranas arlequín Atelopus
Evolution Development -
A ketocarotenoid‐based colour polymorphism in the Sira poison frog Ranitomeya sirensis
Many members of the Peruvian poison frog genus Ranitomeya show a wide variety of color patterns, and two or more color morphs can exist within a single species. R. sirensis has yellow stripes over most of its range, but has a deep red ...
AmphibiaWeb -
Lessons from poison frogs on ecological drivers of behavioral diversification
Natural history is an important foundation for mechanistic studies. Ecological specializations can drive species differences in behavior. Species comparisons can highlight core neural mechanisms of behavior. Community engagement and inclusion...
Hormones and Behavior -
Foto de Jaime Culebras gana premio del Natural History Museum
"La vida en la balanza" Jaime Culebras. Esta rana de cristal que come una araña es la ganadora en la categoría WPY de Comportamiento: anfibios y reptiles. Culebras tomó esta foto en Manduriacu, una reserva de Ecuador durante un aguacero torrencial.
NHM -
Descubren nueva especie de rana arlequín, Atelopus, en bosque nublado de Ayacucho, Perú
Fue encontrada en un sector cerca de cañón del río Apurímac, zona poco explorada debido a la presencia de cultivos ilegales de coca y narcotráfico. Algunos individuos de esta especie dieron positivo a Bd...
Mongabay Latam -
!Date un salto!
Visita el aula virtual del Centro Jambatu. Te invitamos a descubrir el maravilloso universo de las ranas y sapos. ¡Para cuidarlos hay que conocerlos! Descubre las rutas de aprendizaje que te permitirán ser un ciudadano conocedor de ranas y sapos.
Centro Jambatu -
Two extremely rare new species of salamanders from Ecuador
We describe two new species of salamanders of the genus Oedipina, subgenus Oedopinola, from two localities on the northwestern foothills of Ecuador, at elevations between 921 and 1,067 m. These are the southernmost...
PeerJ -
Anfibios en los ecosistemas andino-tropicales de la provincia de Carchi
La provincia del Carchi posee una variedad de ecosistemas que se extienden desde los 120 m. s.n.m. en la parroquia Tobar Donoso hasta los 4729 m.s.n.m. en la cima del volcán Chiles. Estas zonas con gran diversidad de plantas y animales llevaron...
INABIO -
Cruzioseptins, antibacterial peptides from Cruziohyla calcarifer skin, as promising leishmanicidal agents
Screenings of natural products have significantly contributed to the discovery of novel leishmanicidal agents. In this study, three known cruzioseptins—antibacterial peptides from Cruziohyla calcarifer skin—were synthesized and evaluated against..
Pathogens and Disease -
Adult—Juvenile interactions and temporal niche partitioning between life-stages in a tropical amphibian
Divergence in ecological niche offers organisms the opportunity of exploiting different food and habitat resources, scaling down competition and predation both among species, and within different age or size-classes of the same species...
PLos One -
Large‐scale DNA‐based survey of frogs in Amazonia suggests a vast underestimation of species richness and endemism
Effective conservation management plans depend on accurate knowledge of biodiversity, such as the number of species occurring in a region, which can be challenging for a variety of reasons. This is particularly true of...
AmphibiaWeb -
Fifty years after: A taxonomic revision of the amphibian species from the Ecuadorian biodiversity hotspot Abra de Zamora
Abra de Zamora is an important biodiversity hotspot in southern Ecuador. Between 1938 and 2010, eleven species of frogs were described from here: Lynchius flavomaculatus, Gastrotheca...
Plos One -
Two‐hundred million years of anuran body‐size evolution in relation to geography, ecology and life history
Body size varies widely among animals and can affect physiological, ecological, and life history traits. Yet, surprisingly little is known about body size evolution within the most diverse amphibian order, anurans (frogs and toads)...
AmphibiaWeb -
Descriptions of five new species of the salamander genus Chiropterotriton (Caudata: Plethodontidae) from eastern Mexico
The tropical plethodontid salamander genus Chiropterotriton is a clade of generally small, terrestrial, arboreal or cavernicolous species restricted to eastern Mexico. A 1983 revision listed nine species. A 2020 study...
AmphibiaWeb -
Batrachochytrium dendrobatidis infection in amphibians predates first known epizootic in Costa Rica
Outbreaks of the infectious disease chytridiomycosis, caused by the fungal pathogen Batrachochytrium dendrobatidis (Bd), are implicated in the decline and extinction of numerous amphibian species, especially in the Americas.
AmphibiaWeb -
Survival, movements and habitat use of captive‐bred and reintroduced dusky gopher frogs
The Dusky Gopher Frog (Rana sevosa) is an IUCN Critically Endangered species native to the southern Coastal Plain of the United States, but which has been reduced to only one known population. Several measures have been adopted to
AmphibiaWeb -
Rediscovery of the fantastic treefrog, Ecnomiohyla phantasmagoria
Ortega-Andrade et al. (2010) reported a juvenile frog as Ecnomiohyla sp. (cf. phantasmagoria) (photograph only) from the Bilsa Biological Station, Provincia Esmeraldas, Ecuador (nearly 1000 km south of the type locality)...
Herpetological Review -
Knowledge and interactions of the community with the herpetofauna in reserve of Quininí (Tibacuy- Cundinamarca, Colombia)
"Frogs call the water with their songs" and "Some people look for good luck numbers on the ventral spots of the frogs" -- these are some of the traditional beliefs in the...
AmphibiaWeb -
Glassfrogs of Ecuador: diversity, evolution, and conservation
Glassfrogs (family: Centrolenidae) represent a fantastic radiation (~150 described species) of Neotropical anurans that originated in South America and dispersed into Central America. In this study, we review the systematics of Ecuadorian...
Diversity -
Tres nuevas especies de ranas de cristal registra Ecuador
Una reciente investigación publicada en la revista académica Diversity revela datos inéditos sobre la evolución, historia natural, distribución y conservación de las 60 especies de ranas de cristal que habitan en Ecuador...
El Universo -
Tres nuevas especies de ranas de cristal se descubrieron en Ecuador
Tres nuevas especies de ranas de cristal fueron descritas en un artículo publicado este 3 de junio del 2020, en la revista Diversity. Con este hallazgo, Ecuador ahora cuenta con 632 especies de anfibios. Nymphargus colomai, Nymphargus lindae...
El Comercio -
Herpetofauna of Engabao, Playas Canton, Ecuador, with notes on the occurrence of Ceratoprhys stolzmanni
The Ecuadorian coast ecosystems are considered fragile due to anthropic activities, such as livestock production and agriculture, which are important economically. In this study, we document the herpetofauna of Engabao, in Playas Canton, Ecuador,...
Check List -
Bristol scientists see through glass frogs’ translucent camouflage
Glass frogs are well known for their see-through skin but, until now, the reason for this curious feature has received no experimental attention.
University of Bristol -
Ecuador suma a cuatro nuevas especies de ranas a su lista de anfibios
Cuatro nuevas especies de ranas se suman a la lista de anfibios del Ecuador. Los dos artículos que recogen estos hallazgos fueron publicados el martes 19 de mayo del 2020, en la Revista Mexicana...
El Comercio -
Un nuevo anfibio endémico del Amazonas es parte de un estudio
El origen y diversificación de una nueva especie de anfibio endémico para el norte de los Andes de Ecuador es parte de un estudio científico. Grace Carolina Reyes Ortega, graduada de la Universidad Regional Amazónica Ikiam en Ingeniería en Ecosistemas...
El Comercio -
Chytrid infection is associated with individual heterozygosity and population isolation
The capacity of Batrachochytrium dendrobatidis (Bd) to negatively impact amphibian diversity at the species and population level has been clear for decades, yet our understanding of Bd’s impact on amphibian genetic diversity...
AmphibiaWeb -
Back from extinction: rediscovery of the harlequin toad Atelopus mindoensis
Harlequin toads (genus Atelopus) have been hit particularly hard by the deadly amphibian chytrid fungal disease. This is especially true in Ecuador, where all 25 species of Atelopus found in the country are...
AmphibiaWeb -
First record of the glass frog Cochranella granulosa found in Ecuador
On 12th February 2016 at 21:30 hours while surveying herpetofauna within the El Jardín de los Sueños private reserve, a 107 ha site located in Cotopaxi province in Ecuador, we observed two glass frogs spaced...
Herpetology Notes -
Biocomercio es una alternativa al tráfico ilegal
El tráfico ilegal de especies ha sido asociado con el surgimiento de las enfermedades zoonóticas en los últimos años. Además de afectar a los animales silvestres, este se ha convertido en una amenaza para la salud de las personas y los...
El Comercio -
Mechanisms for color convergence in a mimetic radiation of poison frogs
Neotropical poison frogs provide iconic examples of conspicuous warning coloration, yet we know very little about the biochemical mechanisms that underlie the production of these astonishing colors. Twomey et al. (2020) use a...
AmphibiaWeb