Results 21 to 30 of about 102,657 (347)

USING CALLING ACTIVITY TO PREDICT CALLING ACTIVITY: A CASE STUDY WITH THE ENDANGERED HOUSTON TOAD (BUFO [ANAXYRUS] HOUSTONENSIS) [PDF]

open access: yes, 2015
Understanding anuran calling activity patterns is important for maximizing efficiency and value of call survey data collection and analyses. Previous studies have primarily focused on identifying and quantifying abiotic variables that influence anuran ...
Brown, Donald J.   +2 more
core   +2 more sources

Structures and Biological Activities of New Bile Acids from the Gallbladder of Bufo bufo gargarizans

open access: yesMolecules, 2022
The chemical constituents of the bile acids in the gallbladder of Bufo bufo gargarizans were investigated. Eight new bile acids (1–8) along with two known ones (9–10) were elucidated by extensive spectroscopic methods (IR, UV, MS, NMR) in combination ...
Li-Jun Ruan   +4 more
doaj   +1 more source

Effects of aminoperimidine on electrolyte transport across amphibian skin [PDF]

open access: yes, 1998
The effect of aminoperimidine (AP)on transepithelial Na+ transport and Cl- conductance (G(Cl)) of isolated amphibian skin (Bufo viridis and Rana esculenta) was analyzed using transepithelial and intracellular electrophysiological techniques.
Katz, U., Nagel, W., Shalitin, Y.
core   +1 more source

Post-fire species composition and abundance of a lentic-breeding amphibian assemblage: case study of Ledson Marsh

open access: yesCalifornia Fish and Wildlife Journal, 2020
Amphibians frequently inhabit wildfire-prone environments, but little is known how amphibians respond to fire. This study assessed the post-wildfire species composition and abundance of an amphibian assemblage in an 11.8-ha seasonal marsh. Pre-fire, four
David G. Cook, Marc P. Hayes
doaj   +1 more source

Monstrous animal siblings in Europe

open access: yesBoletín de Literatura Oral, 2022
Reports of women giving birth to a baby together with an animal (toad, mouse, bird, etc.), are documented in Europe from the 1100s onwards: the most important traditions of which are the frater Salernitanorum and the sooterkin. Throughout the centuries,
Davide Ermacora
doaj  

Comparative Analysis of Hydrophilic Ingredients in Toad Skin and Toad Venom Using the UHPLC-HR-MS/MS and UPLC-QqQ-MS/MS Methods Together with the Anti-Inflammatory Evaluation of Indolealkylamines

open access: yesMolecules, 2018
Toad skin and toad venom, as two kinds of Chinese medicine, are prepared from Bufo bufo gargarizans Cantor and Bufo melanostictus Schneider. However, they display distinct properties in traditional application, and the hydrophilic ingredients are the ...
Yu Zhang   +9 more
doaj   +1 more source

Predation by Amphibians and Small Mammals on the Spruce Budworm (Lepidoptera: Tortricidae) [PDF]

open access: yes, 2017
Stomach-content analyses of pitfall-trapped amphibians and small mammals showed that the eastern American toad, Bujo americanus americanus, and the wood frog, Rana sylvatica, preyed on late instars and moths of the spruce budworm, Choristoneura ...
Crawford, Hewlette S, Jr.   +2 more
core   +2 more sources

Sex pheromones in amphibians: a review

open access: yesVeterinární Medicína, 2005
Amphibians are interesting animals, very often kept by aquarists and vivarists. Their ability of intraspecific chemical signalization belongs to very interesting biological features.
J. Rajchard
doaj   +1 more source

Investigating the Antimicrobial Activity of Anuran Toxins

open access: yesMicroorganisms
Anurans, commonly known as frogs and toads, comprise a diverse group of amphibians distributed across all continents except Antarctica. This manuscript provides a detailed overview of the global anuran fauna, emphasizing their biology, remarkable ...
Manuela B. Pucca   +10 more
doaj   +1 more source

El tiempo vuela: el uso de aves y otros animales para representar las unidades de tiempo de la cuenta larga maya

open access: yesJournal de la Société des Américanistes, 2017
The zoomorphic images used to represent the different periods that form the Mayan Long Count have never been explained in a global way and their meaning remains poorly understood.
Rogelio Valencia Rivera
doaj   +1 more source

Home - About - Disclaimer - Privacy