Results 71 to 80 of about 128,846 (186)

Breeding seasonality in Charadriiformes on the Andean Altiplano is influenced by rain and possibly flood risk

Ecosphere, Volume 17, Issue 2, February 2026.
Abstract The Andean Altiplano in South America represents a remarkable mountain ecosystem with unique wildlife. However, knowledge of breeding ecology for birds inhabiting Andean Altiplano is scarce, relying mostly on anecdotal records, and drivers of breeding phenology remain unexplored.
Guillaume Dillenseger, Andreas Rimoldi, Virginia Mosconi, Mauricio Ugarte, Carla Llerena‐Quiroz, Kateřina Kubelková, Renato Condori Ayquipa, Vojtěch Kubelka   +7 more
wiley   +1 more source

Rythme nycthéméral de la sécrétion de mélatonine chez le dromadaire (Camelus dromedarius) [PDF]

, 1997
La mélatonine, une hormone secrétée par la glande pinéale, a été dosée sur trois chamelles vivant dans le Sud de la France. Comme pour les autres espèces domestiques, les résultats montrent qu'il existe un rythme nycthéméral de la sécrétion de cette ...
Chemineau, P., Faye, Bernard, Ravault, J.P., Vyas, Sumant   +3 more
core  

Spatial segregation and bycatch risk as potential drivers of population trends of wandering albatrosses at South Georgia

Conservation Biology, Volume 40, Issue 1, February 2026.
Abstract Spatial segregation in at‐sea distribution is frequently observed in seabirds and can have important implications for conservation and management. Globally, many albatross and petrel populations are declining due to bycatch in fisheries. In South Georgia, the decrease in wandering albatrosses (Diomedea exulans) differs among breeding sites ...
V. Warwick‐Evans, E. J. Pearmain, L. Thorne, R. A. Phillips   +3 more
wiley   +1 more source

Comparison of post-cervical and cervical porcine artificial insemination in nulliparous and multiparous [PDF]

SPERMOVA, 2016
The post-cervical artificial insemination (PCAI) in sows increases semen performance compared to cervical artificial insemination (CAI). In Argentina the use of the PCAI is restricted to multiparous while it is not applied to nulliparous. The aim of this
Luchetti CG, Renoulin EG, Lombardo DM
doaj   +1 more source

Desarrollo de un programa multimedia de aprendizaje en Reproducción Animal [PDF]

, 2004
The complexity of the veterinary curriculum is a challenge to prepare educational material in an interdisciplinary manner. Multimedia programs develop on the new computer-assisted learning systems are an appropiate medium for making such educational ...
Dorado, Jesús, Hidalgo, Manuel, Pérez-Marín, C.C., Rodríguez Artiles, I.   +3 more
core  

Addressing Demographic Challenges Through Public–Private Partnerships: In Vitro Fertilization in Latvia

World Medical &Health Policy, Volume 17, Issue 4, Page 688-694, December 2025.
ABSTRACT The study by Morshed‐Behbahani et al. highlights that financial barriers are not the sole obstacle to accessing infertility treatment. To ensure equal access for all, infertility treatment should be regarded as a universal human right, with the public sector assuming responsibility for its provision.
Arturs Kalva, Girts Brigis
wiley   +1 more source

Offspring sex ratio of introduced red deer in Patagonia, Argentina after an intensive drought [PDF]

, 2001
Red deer (Cervus elaphus) introduced to Patagonia have reached high densities in the forest-steppe ecotone. Drought conditions during 1998/99 were suspected to impact subsequent reproductive performance.
Fluck, Werner Thomas
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Sustained contraceptive‐level plasma concentrations of 4,4′‐dinitrocarbanilide in free‐ranging urban feral pigeons fed a custom bait Niveles plasmáticos altos y sostenidos de 4,4′‐dinitrocarbanilida en palomas domésticas libres alimentadas con un cebo anticonceptivo

Wildlife Society Bulletin, Volume 49, Issue 4, December 2025.
We assessed the acceptability and consumption of a custom‐developed nicarbazin bait for feral pigeons, inferred its contraceptive efficacy, and evaluated the reversibility of its effects upon cessation of treatment. Only feral pigeons consumed the bait, except for one eared dove that also ingested the food. Continuous administration of this bait raised
Joaquín L. Navarro, Mariana Melchiorre, Constanza García Capocasa, Florencia Grasso, Alvina Lèche, Patricia Montoya, Luis Adrover, Pablo Ribotta   +7 more
wiley   +1 more source

Modelación matemática del consumo de presas y el flujo de energía asociado a la reproducción de Rostrhamus sociabilis (Aves, Falconiformes) [PDF]

, 2017
El gavilán caracolero (Rostrhamus sociabilis) es un ave rapaz, residente permanente y común en Cuba, clasificada como de alto interés conservacionista en el Plan de Conservación de las Aves Acuáticas de Norteamérica, en parte debido a su dieta ...
Denis, D., Rodríguez–Ochoa, A.
core   +2 more sources

Passive acoustic monitoring paired with machine learning outperforms playback surveys for a rare and cryptic species, the Black‐billed Cuckoo (Coccyzus erythropthalmus)

Conservation Science and Practice, Volume 7, Issue 12, December 2025.
Compared to playback surveys, passive acoustic monitoring provides increased detection probability and lower costs for monitoring a rare and cryptic avian species. Abstract Monitoring rare and cryptic species presents unique challenges and is of high importance for conservation practitioners.
Anna M. Kurtin, Erim Gómez, Nicole Hussey, Anna Noson, Megan O'Reilly, Tessa Rhinehart, Brandi Skone, Bella Wengappuly, Andy J. Boyce   +8 more
wiley   +1 more source