Results 31 to 40 of about 1,715,437 (129)

Cooperation and opportunism in Galapagos sea lion hunting for shoaling fish

Ecology and Evolution, 2021
For predators, cooperation can decrease the cost of hunting and potentially augment the benefits. It can also make prey accessible that a single predator could not catch. The degree of cooperation varies substantially and may range from common attraction
Tui De Roy, Eduardo R. Espinoza, Fritz Trillmich   +2 more
doaj   +1 more source

Confluence : Fall/Winter 2017 [PDF]

Confluence is a newsletter of Oregon Sea Grant. Articles feature the supported research and events of the program. This issue of Confluence includes articles on: potential of farming gooseneck barnacles, educating boaters on proper waste disposal ...
Oregon State University. Sea Grant College Program
core   +6 more sources

Establishing of local population, population dynamics and current abundance of Steller sea lion ( Eumetopias jubatus) in the Commander Islands

Известия ТИНРО, 2014
The time course of the establishment of a local population of Steller sea lions in the Commander Islands, population dynamics and current abundance were studied using literature published since the 1930s and the author’s observations conducted during ...
Sergey D. Ryazanov, Olga A. Belonovich, Evgeny G. Mamaev, Victor S. Nikulin, Sergey V. Fomin, Vladimir N. Burkanov   +5 more
doaj   +1 more source

The multi-factorial aetiology of urogenital carcinoma in the California sea lion (Zalophus californianus) : a case-control study [PDF]

, 2014
California sea lions (CSLs) have an unusually high occurrence of urogenital cancer (UGC), with studies revealing metastatic carcinoma in 26 % of CSLs admitted to a rehabilitation centre between 1998 and 2012.
Browning, Helen M.
core   +2 more sources

Transcriptional Profiles of California Sea Lion Peripheral NK and CD+8 T Cells Reflect Ecological Regionalization and Infection by Oncogenic Viruses

Frontiers in Immunology, 2019
The California sea lion is one of the few wild mammals prone to develop cancer, particularly urogenital carcinoma (UGC), whose prevalence is currently estimated at 25% of dead adult sea lions stranded along the California coastline.
Ignacio Peñín, Mónica E. Figueroa-Cabañas, Fabiola Guerrero-de la Rosa, Luis A. Soto-García, Roberto Álvarez-Martínez, Adriana Flores-Morán, Karina Acevedo-Whitehouse, Karina Acevedo-Whitehouse   +7 more
doaj   +1 more source

Interaction between the California sea lion and the artisanal fishery in La Paz Bay, Gulf of California, Mexico

Ciencias Marinas, 2003
Information about California sea lion prey and the artisanal fishery catch in the area of the Los Islotes sea lion rookery, in northeastern La Paz Bay, México, was examined to estimate potential overlap and competition between these consumers. Sea lions
D Aurioles-Gamboa, F García-Rodríguez, M Ramírez-Rodríguez, C Hernández-Camacho   +3 more
doaj   +1 more source

Spatial distribution, movements, and geographic range of Steller sea lions (Eumetopias jubatus) in Alaska.

PLoS ONE, 2018
The two stocks of Steller sea lions (Eumetopias jubatus) in Alaska include an endangered western stock, recently recovering in parts of its range following decades of decline, and an eastern stock which was removed from the U.S.
Lauri A Jemison, Grey W Pendleton, Kelly K Hastings, John M Maniscalco, Lowell W Fritz   +4 more
doaj   +1 more source

Anthropozoonotic Parasites Circulating in Synanthropic and Pacific Colonies of South American Sea Lions (Otaria flavescens): Non-invasive Techniques Data and a Review of the Literature

Frontiers in Marine Science, 2020
Since late 1970s, the southern Chilean city Valdivia constitutes home for a unique bachelor group of South American sea lions (Otaria flavescens), initially descendant from colonies at the Pacific coast, but now directly living in a freshwater habitat in
David Ebmer, María José Navarrete, María José Navarrete, Pamela Muñoz, Luis Miguel Flores, Ulrich Gärtner, Jan Brabec, Sven Poppert, Sven Poppert, Anja Taubert, Carlos Hermosilla   +10 more
doaj   +1 more source

Whisker stable isotope analysis used for proactive management of recolonising New Zealand sea lion population

Endangered Species Research, 2023
New Zealand sea lions Phocarctos hookeri have experienced a 46% decline in pup production in the last 25 yr, driven by female deaths in trawl fisheries around the Auckland Islands. The only colony for this species recorded away from the subantarctics and
BL Chilvers
doaj   +1 more source

Human perceptions of hauled out sea lions (Neophoca cinerea) and implications for management: a case study from Carnac Island, Western Australia [PDF]

, 2005
This study focuses on visitor perceptions of hauled out sea lions on Carnac Island, Western Australia. Carnac Island lies close to the city of Perth and is an important haulout (resting) site for the Australian sea lion, which is recognized as a species ...
Newsome, D., Orsini, J-P.
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