Results 1 to 10 of about 375 (111)

Annotated checklist of the amphibians and reptiles of Zacatecas, Mexico [PDF]

ZooKeys
Zacatecas is in the north-central region of Mexico. Its territorial extension, as well as the unique combination of climatic and physiographic characteristics, favor high biological diversity.
José Jesús Sigala-Rodríguez, Rubén Alonso Carbajal-Márquez, Alondra Encarnación-Luévano, Jesús Lenin Lara-Galván, Jorge Alberto Bañuelos-Alamillo, Eric Centenero-Alcalá, Iván Trinidad Ahumada-Carrillo, Fahd Henrry Carmona-Torres   +7 more
doaj   +4 more sources

Allometric Constraint Predominates Over the Acoustic Adaptation Hypothesis in a Radiation of Neotropical Treefrogs. [PDF]

Integr Zool
Male frogs emit calls to attract mates and deter conspecific rivals. The evolution of these calls is thought to be linked to anatomical constraints and the acoustic characteristics of their surroundings. We tested these two factors in a radiation of 112 species of Neotropical treefrogs and found that body size and calling site affect peak frequency but
Escalona M, Simões PI, Gonzalez-Voyer A, Mendoza-Henao AM, Mello Bezerra A, Pinheiro PDP, Morales B, Guayasamin JM, Carvalho T, Chaparro JC, De la Riva I, Rojas-Runjaic FJM, Rivera-Correa M, Kok PJR, Peloso P, Nakamura DYM, Maneyro R, Castroviejo-Fisher S.   +17 more
europepmc   +2 more sources

Biological and Biochemical Characterization of Coronado Island Rattlesnake (Crotalus helleri caliginis) Venom and Antivenom Neutralization [PDF]

Toxins, 2021
The Baja California Peninsula has over 250 islands and islets with many endemic species. Among them, rattlesnakes are the most numerous but also one of the least studied groups.
Cristian Franco-Servín, Edgar Neri-Castro, Melisa Bénard-Valle, Alejandro Alagón, Ramsés Alejandro Rosales-García, Raquel Guerrero-Alba, José Emanuel Poblano-Sánchez, Marcelo Silva-Briano, Alma Lilián Guerrero-Barrera, José Jesús Sigala-Rodríguez   +9 more
doaj   +2 more sources

Toxoplasma gondii infection in European mouflons (Ovis musimon) and captive wild felines from Puebla, México [PDF]

International Journal for Parasitology: Parasites and Wildlife, 2020
The presence of Toxoplasma gondii in zoos is cause of alert because many susceptible species kept in captivity die of clinical toxoplasmosis. Moreover, excretion of T.
Luis Fernando Valenzuela-Moreno, Carlos Cedillo-Peláez, Claudia Patricia Rico-Torres, María Alejandra Hernández-Rodríguez, María del Carmen Carmona-Muciño, José Eduardo Farfán-Morales, Dolores Correa, Heriberto Caballero-Ortega   +7 more
doaj   +2 more sources

Lista actualizada de los anfibios del departamento del Tolima, Colombia

Biota Colombiana, 2018
Presentamos la lista de los anfibios del departamento del Tolima, Colombia, a partir de ejemplares depositados en la colección zoológica de la Universidad del Tolima y otras colecciones del país.
Sigifredo Clavijo-Garzón, Johan A. Romero-García, María Paula Enciso-Calle, Andrés Viuche-Lozano, James Herrán-Medina, Mauricio A. Vejarano-Delgado, Manuel H. Bernal   +6 more
doaj   +6 more sources

Evaluating Potential Distribution and Niche Divergence among Populations of the World’s Largest Living Damselfly, Megaloprepus caerulatus (Drury, 1782)

Diversity, 2022
Megaloprepus caerulatus is a Neotropical species with a highly specialised niche, found from Mexico to Bolivia, primarily in mature tropical forests lower than 1500 masl. It is also the damselfly with the largest wingspan in the world.
Alondra Encarnación-Luévano, Jaime Antonio Escoto-Moreno, Giovanna Villalobos-Jiménez   +2 more
doaj   +1 more source

Natural History and Morphology of Crotalus ehecatl (Serpentes: Viperidae)

Diversity, 2022
The Tehuantepec Isthmus rattlesnake (Crotalus ehecatl) is a poorly known species endemic to Mexico. We describe its diet, morphological variation, life history traits and activity patterns based on data from field encounters, museum specimens, and ...
Rubén Alonso Carbajal-Márquez, José Jesús Sigala-Rodríguez, Jorge Arturo Hidalgo-García, Juan José Ayala-Rodríguez, José Rogelio Cedeño-Vázquez   +4 more
doaj   +1 more source

Structure and evolution of the sexually dimorphic integumentary swelling on the hands of dendrobatid poison frogs and their relatives (Amphibia: Anura: Dendrobatoidea)

Journal of Anatomy, Volume 240, Issue 3, Page 447-465, March 2022., 2022
The hands of adult males of many dendrobatid poison frogs and their relatives possess one or two of four types of specialized mucous glands that presumably secrete pheromones delivered to females during cephalic amplexus. The discovery of these glands adds a new dimension to studies of poison frog reproductive biology, which have investigated acoustic,
Isabela Rodrigues de Souza Cavalcanti, María Celeste Luna, Julián Faivovich, Taran Grant   +3 more
wiley   +1 more source

Wildlife collection for scientific purposes

Conservation Biology, Volume 35, Issue 1, Page 5-11, February 2021., 2021
Abstract Illegal transfer of wildlife has 2 main purposes: trade and scientific research. Trade is the most common, whereas scientific research is much less common and unprofitable, yet still important. Biopiracy in science is often neglected despite that many researchers encounter it during their careers.
Caroline Fukushima, Rick West, Thomas Pape, Lyubomir Penev, Leif Schulman, Pedro Cardoso   +5 more
wiley   +1 more source

Géneros de ninfas del orden Ephemeroptera (Insecta) del departamento del Tolima, Colombia: listado preliminar

Biota Colombiana, 2010
Se presenta el listado preliminar de géneros del orden Ephemeroptera en el departamento del Tolima, basado en ninfas. Estos resultados provienen del estudio de diez municipios del departamento (Cajamarca, Chaparral, Coello, Cunday, Dolores, Ibagué, Prado,
Carolina Gutiérrez, Gladys Reinoso-Flórez   +1 more
doaj   +11 more sources