California Sea Lion (Zalophus

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Interpretative Fact Sheet California Sea Lion (Zalophus californianus) The following short article is from the Oregon Coast 101 Species collection used by the Guide and Outfitter Recognized Professional (GORP) training program. These articles are intended to provide interesting facts you can share with your clientele and add value to your services. An Interpretive Fact Sheet has been written about each species. We are currently uploading these blogs and creating the links. Come visit us! Tourism and Business Development College of Business, Oregon State University Extension - Oregon Sea Grant at http://tourism.oregonstate.edu/ Guide and Outfitter Recognized Professional Program https://www.GORPguide.org For more information about the GORP training program see: https://www.gorpguide.org/become-a-gorp-certified-guide California sea lion (Zalophus californianus) tourism.oregonstate.edu/california-sea-lion-zalophus-californianus/ By September 8, 2020 flatherc California sea lions are members of the “eared seal” family Otariidae. These pinnipeds live along the rocky Pacific Ocean coastlines of western North America. They are very social animals and form groups of several hundred individuals onshore. In many areas they have become quite invasive and obnoxious. California sea lions are the most recognized pinniped species because they are commonly seen doing acrobatic tricks in shows at zoos and aquariums. While they are known for their intelligence and playfulness, these animals also quite athletic. In the wild, the California sea lion swims up to 25 miles per hour, which is faster than any other sea lion or seal. This superb speed is related to how they use their front flippers. California sea lion (Zalophus californianus) Quick Diver This animal is also an avid diver. When diving deep, California sea lions slow their heart rates to allow them to remain underwater for nearly 10 minutes before surfacing to breathe. This ability gives them an edge in the pursuit of the fish, squid, and shellfish that make up their primary diet. California sea lions have color vision. They don’t see all colors, however, but are limited to blue-greens of the color spectrum. REFERENCE: –Wikipedia, California Sea Lions (www.wikipedia.org/wiki/California_sea_lion) 1/1.

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Age-Specific Birth Rates of California Sea Lions
MARINE MAMMAL SCIENCE, 24(3): 664–676 (July 2008) C 2008 by the Society for Marine Mammalogy DOI: 10.1111/j.1748-7692.2008.00199.x Age-specific birth rates of California sea lions (Zalophus californianus) in the Gulf of California, Mexico CLAUDIA J. HERNANDEZ´ -CAMACHO Laboratorio de Ecologıa´ de Pinnıpedos´ “Burney J. Le Boeuf,” Centro Interdisciplinario de Ciencias Marinas, Instituto Politecnico´ Nacional, Ave. IPN s/n Colonia Playa Palo de Santa Rita, La Paz, Baja California Sur, Mexico 23096 and School of Life Sciences, Arizona State University, P. O. Box 874601, Tempe, Arizona 85287-4601, U.S.A. E-mail: [email protected] DAVID AURIOLES-GAMBOA Laboratorio de Ecologıa´ de Pinnıpedos´ “Burney J. Le Boeuf,” Centro Interdisciplinario de Ciencias Marinas, Instituto Politecnico´ Nacional, Ave. IPN s/n Colonia Playa Palo de Santa Rita, La Paz, Baja California Sur, Mexico 23096 LEAH R. GERBER School of Life Sciences, Arizona State University, P. O. Box 874601, Tempe, Arizona 85287-4601, U.S.A. ABSTRACT Estimates of demographic parameters are essential for assessing the status of populations and assigning conservation priority. In light of the difficulties associated with obtaining such estimates, vital rates are rarely available even for well-studied species. We present the first estimates of age-specific birth rates for female California sea lions (Zalophus californianus) >10 yr of age. These rates were estimated from the reproductive histories of five cohorts of animals branded as pups between 1980 and 1984 at Los Islotes colony in the Gulf of California, Mexico. Age-specific birth rates varied among age classes and ranged between 0.06 and 0.80.
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Hunting and Social Behaviour of Leopard Seals (Hydrurga Leptonyx) at Seal Island, South Shetland Islands, Antarctica
University of Nebraska - Lincoln DigitalCommons@University of Nebraska - Lincoln Publications, Agencies and Staff of the U.S. Department of Commerce U.S. Department of Commerce 1999 Hunting and social behaviour of leopard seals (Hydrurga leptonyx) at Seal Island, South Shetland Islands, Antarctica Lisa M. Hiruki National Marine Mammal Laboratory, Alaska Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, [email protected] Michael K. Schwartz National Marine Mammal Laboratory, Alaska Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration Peter L. Boveng National Marine Mammal Laboratory, Alaska Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration Follow this and additional works at: https://digitalcommons.unl.edu/usdeptcommercepub Part of the Environmental Sciences Commons Hiruki, Lisa M.; Schwartz, Michael K.; and Boveng, Peter L., "Hunting and social behaviour of leopard seals (Hydrurga leptonyx) at Seal Island, South Shetland Islands, Antarctica" (1999). Publications, Agencies and Staff of the U.S. Department of Commerce. 151. https://digitalcommons.unl.edu/usdeptcommercepub/151 This Article is brought to you for free and open access by the U.S. Department of Commerce at DigitalCommons@University of Nebraska - Lincoln. It has been accepted for inclusion in Publications, Agencies and Staff of the U.S. Department of Commerce by an authorized administrator of DigitalCommons@University of Nebraska - Lincoln. J. Zool., Lond. (1999) 249, 97±109 # 1999 The Zoological Society of London Printed in the United Kingdom Hunting and social behaviour of leopard seals (Hydrurga leptonyx) at Seal Island, South Shetland Islands, Antarctica Lisa M. Hiruki*, Michael K. Schwartz{ and Peter L.
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Current Status of Pinniped Conservation Research in KOREA
Current status of Pinniped conservation research in KOREA Seong Oh Im1), Hye-min Park1), InSeo Hwang1), Sang Heon Lee2), Younggeun Oh2) , Hyun-Woo Kim3), Eun-Bi Kim3) 1)Korea Marine Environment Management Corporation, 2)Pusan National University, 3)Pukyong National University * Correspondence: Korea Marine Environment Management Corporation / * E-mail: [email protected] 1. Introduction Six pinniped species are currently designated as Marine protected species (MPS) in KOREA. Their main breeding grounds are known to be China and Russia, and the waters along the Korean peninsula are considered as the marginal region for those species with extremely low individuals. Among them, Researches have been limited to the spotted seals (Phoca largha), the most abundant pinniped species in the Yellow Sea, Korea. Most of their studies have been mainly dependent on the traditional monitoring methods from visual surveys to count individuals of air-breathing vertebrates, which required a high-degree of labors and costs. As one of promising novel alternative tools for the traditional surveys, molecular biological analyses using environmental DNA (eDNA) has been paid attention for marine ecological studies due to its low cost and labors and high sensitivity in taxon recovery. We here introduce current status of research for pinniped conservation in Republic of Korea using both traditional and novel molecular tools. In addition, satellite monitoring results and environmental conditions around breeding grounds are compared and analyzed. Current status of Pinniped conservation research in KOREA (A) Donghae (A) Donghae 2. Materials & Methods (B) Ulleung ① Visual surveys 3 times of field survey (May, (C) Dokdo August, October, 2020) in the East Sea of Korea (B) Ulleung (Donghae, Ulleung Island, and Dokdo).
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SEAL FISHERY " "Seal" Means Any Eared Seal Or Hair (Or True) Seal Other Than a Leopard Seal, Including a Fur Seal
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THE PINNIPEDS of the CALIFORNIA CURRENT California
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Characterization and Analysis of Phoca Vitulina, Zalophus Californianus, and Mirounga Angustirostris Vibrissae
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Migration Patterns of Adult Male California Sea Lions (Zalophus Californianus)
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Tracing Early Stages of Species Differentiation: Ecological
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Biology; of the Seal
7 PREFACE The first International Symposium on the Biology papers were read by title and are included either in of the Seal was held at the University of Guelph, On full or abstract form in this volume. The 139 particip tario, Canada from 13 to 17 August 1972. The sym ants represented 16 countries, permitting scientific posium developed from discussions originating in Dub interchange of a truly international nature. lin in 1969 at the meeting of the Marine Mammals In his opening address, V. B. Scheffer suggested that Committee of the International Council for the Ex a dream was becoming a reality with a meeting of ploration of the Sea (ICES). The culmination of such a large group of pinniped biologists. This he felt three years’ organization resulted in the first interna was very relevant at a time when the relationship of tional meeting, and this volume. The president of ICES marine mammals and man was being closely examined Professor W. Cieglewicz, offered admirable support as on biological, political and ethical grounds. well as honouring the participants by attending the The scientific session commenced with a seven paper symposium. section on evolution chaired by E. D. Mitchell which The programme committee was composed of experts showed the origins and subsequent development of representing the major international sponsors. W. N. this amphibious group of higher vertebrates. Many of Bonner, Head, Seals Research Division, Institute for the arguments for particular evolutionary trends are Marine Environmental Research (IMER), represented speculative in nature and different interpretations can ICES; A. W. Mansfield, Director, Arctic Biological be attached to the same fossil material.
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Biology; of the Seal
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