Results 21 to 30 of about 3,463 (116)

The variability of giraffe skull morphology

open access: yesJournal of Anatomy, EarlyView.
What does giraffe skull shape tell us about their development and evolution? Abstract Giraffe (Giraffa spp.) are among the most unique and charismatic extant animals, largely due to their distinct morphology. The evolutionary and developmental origin of ossicones is a key factor in giraffid biology, yet other features building their characteristic head
Nikolaos Kargopoulos   +15 more
wiley   +1 more source

Plasma Pharmacokinetic Profile of Fipronil 1% Pour‐On in Cattle: Photodegradation and the Sustained Systemic Persistence of Fipronil Sulfone

open access: yesJournal of Veterinary Pharmacology and Therapeutics, EarlyView.
ABSTRACT This study characterized the long‐term pharmacokinetic profile of a 1% fipronil pour‐on formulation in Nellore bulls under field conditions. Seventeen animals received a single topical dose (1 mg/kg), and plasma concentrations of fipronil and its metabolites (sulfone and desulfinyl) were monitored for 175 days using LC–MS/MS.
Stefani Maria Ferreira   +8 more
wiley   +1 more source

Systematics of Marmosa Subgenus Micoureus With Emphasis in ‘rapposa’ Group (Didelphidae, Marmosini): Geographic Variation and Revalidation of M. budini

open access: yesZoologica Scripta, EarlyView.
ABSTRACT Micoureus is the most species‐rich subgenus within the genus Marmosa. Conflicting arrangements regarding the number of species comprising this subgenus have been proposed and the validity of M. budini has been debated. Here, we used an approach integrating genetic and morphological data were conducted to reanalyze the ‘rapposa’ group ...
Maria Clara Santos Ribeiro   +3 more
wiley   +1 more source

Fish loss in tropical coastal ecosystems can jeopardise nutrient supply to traditional fishing communities: A case study from Northeast Brazil

open access: yesPeople and Nature, Volume 8, Issue 5, Page 1248-1260, May 2026.
Abstract Fisheries constitute one of the major benefits that oceans provide for people. Yet anthropogenic pressures and global changes are disrupting coastal systems, eroding marine biodiversity and threatening the food security of traditional populations.
Fabricio C. Albuquerque   +4 more
wiley   +1 more source

L'Historia de rebus Hispaniae de Rodrigue Jimenez de Rada. Éléments d'une poétique [PDF]

open access: yes, 2008
L'on se propose, à travers cette communication, de présenter un panorama des procédés d'écriture mis en œuvre dans l'Historia de rebus Hispaniae achevée en 1243 par l'archevêque de Tolède, Rodrigue Jiménez de Rada.
Jean-Marie Guirardel, Stéphanie
core   +1 more source

Weathering the Dry: Behaviour of the Marsupial Glider Petaurus notatus in Inland New South Wales, Australia

open access: yesAustral Ecology, Volume 51, Issue 5, May 2026.
ABSTRACT Taxonomic revision can introduce uncertainty into conservation assessment by reshaping species boundaries, distributions, and the interpretation of historical data. Here, we integrated ecological and threat‐related information for a recently revised mammal species to evaluate its responses to climate extremes and an introduced predator within ...
Tess Atkinson   +5 more
wiley   +1 more source

Excursions dans les sierras d'Espagne : Pics d'Europe (Pyrènèes Cantabriques). Conférence publique donnée dans l'Amphithéatre de l¿Athenée le 21 févrie 1894 [PDF]

open access: yes, 1894
Extrait du Bulletin nº 35, du Club Alpin Franç (Section du Sud-Ouest)Copia digital. Valladolid : Junta de Castilla y León.
Saint-Saud, Jean Marie Hippolyte Aymard d'Arlot , Comte de
core   +1 more source

Challenges of Introgression in Conservation: Genetic Diversity of the Endangered Wild Camel (Camelus ferus) in Mongolia

open access: yesEcology and Evolution, Volume 16, Issue 4, April 2026.
Using non‐invasive nuclear and mitochondrial analysis, this study reveals evidence of introgression in critically endangered Wild Camels (Camelus ferus) from the domestic Bactrian camel (Camelus bactrianus), alongside reduced genetic diversity and higher inbreeding in both in situ and ex situ populations in Mongolia.
Anna M. Jemmett   +6 more
wiley   +1 more source

Rebreeding of Female Mountain Lions After Litter Mortality

open access: yesEcology and Evolution, Volume 16, Issue 4, April 2026.
We documented rapid rebreeding by female mountain lions (Puma concolor) following litter loss, including the shortest known rebreeding interval to date. These observations highlight the importance of infanticide and intraguild competition in shaping female fitness and population dynamics.
Mark A. Peyton   +3 more
wiley   +1 more source

Estimating the Impacts of Future Extreme Heat on Dryland Threatened Mammals: An Australian Case Study

open access: yesGlobal Change Biology, Volume 32, Issue 4, April 2026.
Label: Dryland mammals and heat risk. Description: Using Australia's threatened dryland mammals as a model system, we developed a framework comparing historical, current and future heat envelopes to quantify exposure to novel thermal conditions, identify potential thermal refugia and evaluate the suitability of conservation translocation sites.
Jack Bilby   +2 more
wiley   +1 more source

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