Results 101 to 110 of about 67,769 (323)

A new species of Pristimantis from eastern Brazilian Amazonia (Anura, Craugastoridae)

open access: yesZooKeys, 2017
In this study a new species of Pristimantis (Anura: Craugastoridae) of the P. conspicillatus species group is described. Pristimantis latro sp. n. is known only from the municipalities of Altamira, Anapu, Brasil Novo, Medicilândia, Uruará and Aveiro ...
E. Oliveira   +4 more
semanticscholar   +1 more source

Rana palustris [PDF]

open access: yes, 1971
Number of Pages: 3Integrative BiologyGeological ...
Schaaf, Raymond T., Jr.   +1 more
core   +1 more source

Effects of Predator Species and Size on Prey Escape Success Through the Digestive Tract

open access: yesEcology and Evolution, Volume 15, Issue 12, December 2025.
Adults of the aquatic beetle Regimbartia attenuata can survive passage through the digestive tracts of six predator (frog) species, including a non‐native bullfrog. Their active movement through the gut likely facilitates their escape through the cloaca, irrespective of predator species or size.
Shinji Sugiura
wiley   +1 more source

Taxonomía y distribución del sapo sudamericano Bufo poeppigii Tschudi, 1845 (Amphibia: Anura: Bufonidae)

open access: yesGraellsia, 2002
La posición taxonómica del sapo andino Bufo poeppigii ha sido objeto de controversia desde su descripción por Tschudi en el siglo XIX. Ello se ha debido a su parecido con Bufo marinus y a que ambas especies pueden encontrarse juntas en algunas ...
Ignacio De la Riva
doaj   +1 more source

Competition and feeding ecology in two sympatric Xenopus species (Anura: Pipidae)

open access: yesPeerJ, 2017
The widespread African clawed frog (Xenopus laevis) occurs in sympatry with the IUCN Endangered Cape platanna (Xenopus gilli) throughout its entire range in the south-western Cape, South Africa.
J. Measey   +5 more
semanticscholar   +1 more source

Genotoxicity and Cytotoxicity Exerted by Pesticides in Different Biotic Matrices-An Overview of More Than a Decade of Experimental Evaluation [PDF]

open access: yes, 2014
Agrochemicals represent one of the most important sources of environmental pollution. Although attempts to reduce agrochemical use through organic agricultural practices and the use of other technologies to control pests continue, the problem is still
Larramendy, Marcelo Luis   +3 more
core   +2 more sources

Pond frog as a predator of hornet workers: High tolerance to venomous stings

open access: yesEcosphere, Volume 16, Issue 12, December 2025.
Abstract Some animals use stingers to repel attackers, and some predators have evolved tolerance to such stings, enabling them to consume venomous prey. For example, social wasps, such as hornets, use modified ovipositors as venomous stingers to inject venom, which can cause intense pain in humans.
Shinji Sugiura
wiley   +1 more source

Wikipedia as an encyclopaedia of life [PDF]

open access: yes, 2010
In his 2003 essay E O Wilson outlined his vision for an “encyclopaedia of life” comprising “an electronic page for each species of organism on Earth”, each page containing “the scientific name of the species, a ...
C Bizer   +27 more
core   +2 more sources

Microanatomy of Dermal Roofing Bones in the Skull of Pipoid Frogs

open access: yesJournal of Morphology, Volume 286, Issue 12, December 2025.
The cranial bone microanatomy in extant and extinct aquatic pipoids and phylogenetically distant aquatic anurans were analyzed. Micro‐CT data revealed no significant differences in bone thickness and cross‐sectional area among groups, that present similar aquatic lifestyles.
Tomás Fornari, Johannes Müller
wiley   +1 more source

A new species of Brachycephalus (Anura: Brachycephalidae) from Santa Catarina, southern Brazil

open access: yesPeerJ, 2016
A new species of Brachycephalus (Anura: Brachycephalidae) is described from the Atlantic Forest of northeastern state of Santa Catarina, southern Brazil.

semanticscholar   +1 more source

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