Results 31 to 40 of about 3,178 (206)

Multiple anti-predator mechanisms in the red-spotted Argentina Frog (Amphibia: Hylidae) [PDF]

open access: yes, 2017
Anurans employ a wide variety of anti-predator mechanisms to defend themselves. In casque-headed hylids, defence is thought to be a complex combination of several anti-predator mechanisms. However, the defence traits of only a few species are known; some
Alcalde, Leandro   +6 more
core   +2 more sources

Characterizing the adult and larval transcriptome of the multicolored Asian lady beetle, Harmonia axyridis [PDF]

open access: yesPeerJ, 2016
The reasons for the evolution and maintenance of striking visual phenotypes are as widespread as the species that display these phenotypes. While study systems such as Heliconius and Dendrobatidae have been well characterized and provide critical ...
Lindsay A. Havens, Matthew D. MacManes
doaj   +2 more sources

Comparative analysis of amphibian genomes: An emerging resource for basic and applied research. [PDF]

open access: yesMol Ecol Resour
Abstract Amphibians are the most threatened group of vertebrates and are in dire need of conservation intervention to ensure their continued survival. They exhibit unique features including a high diversity of reproductive strategies, permeable and specialized skin capable of producing toxins and antimicrobial compounds, multiple genetic mechanisms of ...
Kosch TA   +9 more
europepmc   +2 more sources

The ultrastructure of the spermatozoa of Epipedobates flavopictus (Amphibia, Anura, Dendrobatidae), with comments on its evolutionary significance [PDF]

open access: yes, 2002
We describe, for the first time, the spermatozoon ultrastructure of a dendrobatid frog, Epipedobates flavopictus. Mature spermatozoa of E. flavopictus are filiform, with a moderately curved head and a proportionally short tail. The acrosomal vesicle is a
Aguiar Júnior, Odair   +4 more
core   +1 more source

Description of a new Allobates (Anura, Dendrobatidae) from the eastern Andean piedmont, Venezuela [PDF]

open access: yesPhyllomedusa: Journal of Herpetology, 2009
We describe a new nurse frog in the genus Allobates (Dendrobatidae) from Río Negro, Municipio Córdoba, Estado Táchira, in western Venezuela. This species is a leaflitter inhabitant of primary and secondary lowland rainforest at altitudes from 400 to 1000
César Luis Barrio-Amorós   +1 more
doaj   +1 more source

Una nueva especie de Epipedobates (Anura: Dendrobatidae) del suroccidente de Colombia

open access: yesPapéis Avulsos de Zoologia, 2008
Se describe una nueva especie del género Epipedobates del departamento de Nariño, al suroccidente de Colombia. Epipedobates narinensis sp. nov. puede ser diferenciada de cualquier otra especie del género por morfología externa y su distintivo patrón de ...
Jonh Jairo Mueses-Cisneros   +2 more
doaj   +1 more source

Dendrobatidae

open access: yes, 2009
Published as part of Guayasamin, Juan M. & Funk, Chris, 2009, The amphibian community at Yanayacu Biological Station, Ecuador, with a comparison of vertical microhabitat use among Pristimantis species and the description of a new species of the Pristimantis myersi group, pp.
Guayasamin, Juan M., Funk, Chris
openaire   +2 more sources

La gastrulación de Epipedobates anthonyi (Anura: Dendrobatidae) [PDF]

open access: yesRevista Ecuatoriana de Medicina y Ciencias Biológicas, 2017
Se describe la morfología externa e interna de la gástrula de la rana dendrobátida ecuatoriana, Epipedobates anthonyi. Los huevos tienen pigmento oscuro en el polo animal, su diámetro es de 2 mm en promedio y las posturas contienen entre 8 a 45 huevos. El tiempo requerido desde el inicio hasta culminar la gastrulación es de 1,5 días.
Paola Montenegro, Eugenia M. del Pino
openaire   +1 more source

Sobreposição de nicho e partilha de recursos entre cinco espécies simpátricas de bufonídeos (Anura, Bufonidae) do nordeste da Argentina [PDF]

open access: yes, 2009
The niche overlap and resource partitioning were analyzed for five sympatric bufonids from Northeastern Argentina: Rhinella schneideri, R. bergi, R. fernandezae, R. granulosa, and Melanophryniscus cupreuscapularis.
Duré Pitteri, Marta Inés   +2 more
core   +2 more sources

Lista anotada de anurofauna presente en la estación científica “Pedro Franco Dávila” (Los Ríos-Ecuador) durante los meses de mayo – agosto del 2015

open access: yesRevista Científica de Ciencias Naturales y Ambientales, 2021
El presente trabajo fue realizado en la Estación Científica Pedro Franco Dávila, ubicada en el Recinto de Jauneche, Provincia de Los Ríos, en la costa de Ecuador.
Ángela Ayala Bazurto   +5 more
doaj   +1 more source

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