Results 71 to 80 of about 7,058 (157)

Towards an Abundance Estimate for New Zealand Fur Seal in New Zealand

Aquatic Conservation: Marine and Freshwater Ecosystems, Volume 35, Issue 4, April 2025.
ABSTRACT A lack of population abundance and trajectory data is a conservation and management issue relevant to numerous pinniped species, many of which are exposed to a variety of threats. New Zealand fur seal (Arctocephalus forsteri; ‘NZFS’) populations in different parts of New Zealand have experienced both substantial increases and decreases to ...
Alasdair A. Hall, B. Louise Chilvers, Jody Suzanne Weir   +2 more
wiley   +1 more source

Understanding causes of morbidity and mortality in Southern Hemisphere small Odontoceti: a scoping review

Mammal Review, Volume 55, Issue 2, April 2025.
This review identifies key causes of morbidity and mortality in Southern Hemisphere small Odontoceti, highlighting significant anthropogenic threats and the enhanced need for conservation strategies. Key findings include high rates of entanglements and a diverse range of infectious pathogens. Abstract Marine mammals serve as sentinels for environmental
Rebecca Souter, Anne‐Lise Chaber, Luciana Möller, Lucy Woolford   +3 more
wiley   +1 more source

Avian influenza overview December 2024–March 2025

EFSA Journal, Volume 23, Issue 4, April 2025.
Abstract Between 7 December 2024 and 7 March 2025, 743 highly pathogenic avian influenza (HPAI) A(H5) virus detections were reported in domestic (239) and wild (504) birds across 31 countries in Europe. HPAI A(H5N1) virus detections were predominant and mainly located in central, western and south‐eastern Europe.
European Food Safety Authority, European Centre for Disease Prevention and Control, European Union Reference Laboratory for Avian Influenza, Leonidas Alexakis, Hubert Buczkowski, Mariette Ducatez, Alice Fusaro, Jose L. Gonzales, Thijs Kuiken, Karl Ståhl, Christoph Staubach, Olov Svartström, Calogero Terregino, Katriina Willgert, Miguel Melo, Lisa Kohnle   +15 more
wiley   +1 more source

Relaxed Open Mouth reciprocity favours playful contacts in South American sea lions ( Otaria flavescens ) [PDF]

, 2017
Fine-tuning communication is well documented in mammalian social play which relies on a large variety of specific and non-specific signals. Facial expressions are one of the most frequent patterns in play communication.
Scopa, Chiara, Guillén Salazar, Federico, Federico Guillén-Salazar, Llamazares Martín, Clara, Clara Llamazares-Martín, Palagi, Elisabetta, Chiara Scopa, Elisabetta Palagi   +7 more
core   +1 more source

Updates on the case of a Hepatocellular carcinoma in a South American sea lion (Otaria flavescens) [PDF]

, 2021
During the EAAM Annual meeting in Portugal in 2019, we presented a case report on a South American sea lion (Otaria flavescens) that suffered from a Hepatocellular carcinoma with metastases in the lungs.
Rossi, Giacomo, Galosi, Livio, Sánchez-Contreras, Guillermo J., Biancani, Barbara   +3 more
core   +1 more source

Solapamiento trófico entre el lobo marino de un pelo Otaria flavescens y la pesquería de arrastre demersal del golfo San Matías, Patagonia, Argentina Trophic overlap between the South American sea lion Otaria flavescens and the demersal trawl fishery in San Matías Gulf, Patagonia, Argentina

Latin American Journal of Aquatic Research, 2011
A nivel internacional, paralelo a la declinación y al colapso de pesquerías de gran escala, surgió un interés creciente por el estudio de las interacciones entre mamíferos marinos y pesquerías. El golfo San Matías (Patagonia, Argentina) es considerado un
María Alejandra Romero, Silvana Dans, Raúl González, Guillermo Svendsen, Néstor García, Enrique Crespo   +5 more
doaj  

Killer whales attack on South American sea lion associated with a fishing vessel: predator and prey tactics Ataque de orcas a un lobo marino sudamericano asociado a un barco pesquero: tácticas del predador y la presa

Latin American Journal of Aquatic Research, 2012
Interactions between killer whales and sea lions are widely known. This work describes the predator-prey behaviour of killer whales and South American sea lion associated with a trawling fishery. In Argentina the predatory behaviours of killer whales and
M. Florencia Grandi, Rocío Loizaga de Castro, Enrique A Crespo   +2 more
doaj  

Genomics insights into a Mycobacterium pinnipedii isolate causing tuberculosis in a captive South American sea lion (Otaria flavescens) from Italy. [PDF]

Front Microbiol, 2023
Alba P, Caprioli A, Cocumelli C, Eleni C, Diaconu EL, Donati V, Ianzano A, Sorbara L, Stravino F, Cerini N, Boniotti MB, Zanoni M, Franco A, Battisti A.   +13 more
europepmc   +1 more source

Latitudinal variation in local productivity influences body condition of South American sea lion pups

Aquatic Biology, 2014
In otariids, the condition and growth of offspring are linked to prey availability because females show a strong dependence on local food availability. Thus, it is expected that body condition of sea lion pups will vary spatially and/or temporally as a ...
M Sepúlveda, D Olea, P Carrasco, M Santos-Carvallo, J Castillo, RA Quiñones   +5 more
doaj   +1 more source

Mass mortality event in South American sea lions (<i>Otaria flavescens</i>) correlated to highly pathogenic avian influenza (HPAI) H5N1 outbreak in Chile. [PDF]

Vet Q, 2023
Ulloa M, Fernández A, Ariyama N, Colom-Rivero A, Rivera C, Nuñez P, Sanhueza P, Johow M, Araya H, Torres JC, Gomez P, Muñoz G, Agüero B, Alegría R, Medina R, Neira V, Sierra E.   +16 more
europepmc   +1 more source