Effects of New Seal Introductions on Conspecific and Visitor Activity [PDF]
, 2022 Modern zoos and aquariums are defined by several primary goals, which include improving the welfare of their animals, public education, and inspiring visitors to develop an interest in conservation. Animal-Visitor Interactions (AVIs) (i.e., the impact of
Northey, Emily J
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Biogeography and conservation of the pinnipeds (Carnivora: Mammalia) [PDF]
, 2011 This thesis examines the biogeography of world pinnipeds, a unique group of marine mammals that have adapted to marine foraging while maintaining terrestrial (land or ice) habitat links.
Higdon, Jeffrey Wayde
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, 2011 Daily publication of the U.S. Office of the Federal Register contains rules and regulations, proposed legislation and rule changes, and other notices, including "Presidential proclamations and Executive Orders, Federal agency documents having general ...
National Archives (U.S.) +1 more
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Terrestrial locomotion of the northern elephant seal (Mirounga angustirostris): limitation of large aquatically adapted seals on land? [PDF]
, 2018 The aquatic specializations of phocid seals have restricted their ability to locomote on land. The amphibious northern elephant seal, Mirounga angustirostris, is the second largest phocid seal in the world, with males reaching 2700 kg.
Costa, Daniel P. +3 more
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Logical and set theory models for gastropod larvae, North American birds and seals of the world [PDF]
, 2006 Two logically valid models are used to compare the gastropod (snail) larvae of Atlantic and Pacific equatorial oceans with birds of North America. One model is this: if there is an environment that supports many species, then there are many species ...
Hulburt, Edward M.
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Sensory anatomy of the most aquatic of carnivorans: the Antarctic Ross seal, and convergences with other mammals [PDF]
, 2019 Transitions to and from aquatic life involve transformations in sensory systems. The Ross seal, Ommatophoca rossii, offers the chance to investigate the cranio-sensory anatomy in the most aquatic of all seals.
Carlini, Alfredo Armando +1 more
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Innervation Patterns of Mystacial Vibrissae Support Active Touch Behaviors in California Sea Lions (Zalophus californianus) [PDF]
, 2019 Vibrissae, or whiskers, are highly developed sensory structures found in mammals. The follicles are referred to as Follicle Sinus Complexes (F-SC) due to the blood-filled sinuses. F-SCs are highly innervated compared to pelage.
Sprowls, Caitlin
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Two- And Three-Dimensional Photogrammetric Mass Estimation Techniques For Two Phocid Species: Halichoerus Grypus And Phoca Vitulina Concolor [PDF]
, 2012 Collecting mass measurements of seals is a common technique used to determine health. To determine the mass of Western North Atlantic Grey seal (Halichoerus grypus) and Atlantic Harbor seal (Phoca vitulina concolor) pups, a researcher must physically ...
Harris, Jennifer
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A Summary of Issues Involving Marine Mammals and Highly Migratory Species [PDF]
, 2015 The conservation and protection of marine mammals is one of many serious problems relating to exploitation of the living resources of the ocean. While other problems, for example the management of fish stocks and the protection of anadromous, catadromous,
Kindt, John Warren
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Animal utilization of the Epi-Jomon and Okhotsk cultures in Sakhalin: A zooarchaeological analysis of the Nobuo Ito Cllection [PDF]
, 2021 Akoshima Kaoru +4 more
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