Results 31 to 40 of about 154,794 (242)
Maternal care in the California sea lion at Los Islotes, Gulf of California, Mexico
Ciencias Marinas, 2003 Behavioural components of maternal assistance in the California sea lion at a small colony in the southern part of the Gulf of California were analyzed and compared between one year with normal environmental conditions (1996) and one influenced by El ...
MC García-Aguilar, D Aurioles-Gamboa
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Ciencias Marinas, 2005 The California sea lion, Zalophus californianus (Lesson, 1828), is the only resident pinniped in the Gulf of California, the largest populations inhabiting the Midriff islands and the northern gulf. San Jorge Island, in the northern gulf, has the second
Eric Mellink +1 more
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Comment on “Temporal and spatial variation in harbor seal (Phoca vitulina L.) roar calls from southern Scandinavia” [J. Acoust. Soc. Am. 141, 1824-1834 (2017)] [PDF]
, 2018 In their recent article, Sabinsky and colleagues investigated heterogeneity in harbor seals' vocalizations. The authors found seasonal and geographical variation in acoustic parameters, warning readers that recording conditions might account for some of ...
Ravignani, A.
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Marine Ecology, EarlyView., 2023 Abstract Plankton play a key role in marine food webs by producing and transferring organic matter and energy to higher trophic levels. To define the trophic structure and interactions within the planktonic communities in the Gulf of Naples, we determined carbon and nitrogen stable isotope ratios in particulate organic matter (POM, <20 μm ...
Louise Merquiol +2 more
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Seals, Sea Lions, and Walruses [PDF]
A classroom resource for K-3 lessons on these pinnipeds. Guide is complete with background materials (for students and teacher), goals and objectives, a glossary, 10 classroom activities, and a bibliography for obtaining additional resources.
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Food habits of Steller sea lions (Eumetopias jubatus) off Oregon and northern California, 1986–2007 [PDF]
, 2011 We described the diet of the eastern stock of Steller sea lions (Eumetopias jubatus) from 1416 scat samples collected from five sites in Oregon and northern California from 1986 through 2007.
Brown, Robin F. +2 more
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Analysing the natural population growth of a large marine mammal after a depletive harvest [PDF]
, 2017 An understanding of the underlying processes and comprehensive history of population growth after a harvest-driven depletion is necessary when assessing the long-term effectiveness of management and conservation strategies.
Crespo, Enrique Alberto +8 more
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Quantitative assessment of masticatory muscles based on skull muscle attachment areas in Carnivora
The Anatomical Record, EarlyView.Abstract Masticatory muscles are composed of the temporalis, masseter, and pterygoid muscles in mammals. Each muscle has a different origin on the skull and insertion on the mandible; thus, all masticatory muscles contract in different directions. Collecting in vivo data and directly measuring the masticatory muscles anatomically in various Carnivora ...
Kai Ito +4 more
wiley +1 more source
Do marine reserves increase prey for California sea lions and Pacific harbor seals?
PLoS ONE, 2019 Community marine reserves are geographical areas closed to fishing activities, implemented and enforced by the same fishermen that fish around them. Their main objective is to recover commercial stocks of fish and invertebrates.
Alejandro Arias-Del-Razo +6 more
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International Journal for Parasitology: Parasites and Wildlife, 2020 Parafilaroides decorus, also known as sea lion lungworm, is a metastrongyloid nematode that infects otariid hosts, such as the charismatic California sea lion, Zalophus californianus. P. decorus causes bronchointerstitial pneumonia, respiratory distress,
Kalani M. Williams +8 more
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