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Galápagos Sea Lion
The Galápagos sea lion (''Zalophus wollebaeki'') is a species of sea lion that lives and breeds on the Galápagos Islands and, in smaller numbers, on Isla de la Plata (Ecuador). Being fairly social, they are often spotted sun-bathing on sandy shores or rock groups, or gliding through the surf. They are the smallest sea lion species. Taxonomy This species was first described by E. Sivertsen in 1953. It has been considered a subspecies of ''Zalophus californianus'' (called ''Z. c. wollebaeki'') by many authors. But recent genetic data supports ''Z. wollebaeki'' as a separate species. The species belongs to the family Otariidae and genus '' Zalophus''. Physical characteristics Slightly smaller than their Californian relatives, Galápagos sea lions range from in length and weigh between , with the males averaging larger than females. Adult males also tend to have a thicker, more robust neck, chest, and shoulders in comparison to their slender abdomen. Females, by contra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Erling Sivertsen
Erling is a Scandinavian male name, meaning "Heir of clanchief", i.e. prince or similar. Notable people named Erling include: Given name *Erling Aas-Eng (born 1965), Norwegian politician * Erling Aastad (1898–1963), Norwegian long jumper and sprinter *Erling Aksdal (born 1953), Norwegian jazz pianist and composer * Erling Andersen (1905–1993), American cross-country skier * Erling Andersen (born 1960), Norwegian race walker *Erling Anger (1909–1999), Norwegian civil servant * Erling Bauck (1924–2004), Norwegian World War II resistance member and writer *Erling Blöndal Bengtsson (1932–2013), Danish cellist *Erling Brøndum (1930–2017), Danish journalist and politician *Erling Christophersen (1898–1994), Norwegian botanist, geographer and diplomat *Erling Dorf (1905–1984), American geologist *Erling Drangsholt (1885–1950), Norwegian actor *Erling Eidem (1880–1972), Swedish theologian who served as archbishop of Uppsala 1931–1950 *Erling Folkvord (born 1949), Nor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sagittal Crest
A sagittal crest is a ridge of bone running lengthwise along the midline of the top of the skull (at the sagittal suture) of many mammalian and reptilian skulls, among others. The presence of this ridge of bone indicates that there are exceptionally strong jaw muscles. The sagittal crest serves primarily for attachment of the temporalis muscle, which is one of the main chewing muscles. Development of the sagittal crest is thought to be connected to the development of this muscle. A sagittal crest usually develops during the juvenile stage of an animal in conjunction with the growth of the temporalis muscle, as a result of convergence and gradual heightening of the temporal lines. Function A sagittal crest tends to be present on the skulls of adult animals that rely on powerful biting and clenching of their teeth, usually as a part of their hunting strategy. Skulls of some dinosaur species, including tyrannosaurs, possessed well developed sagittal crests. Among mammals, dogs, cats, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sea Lion Sleeping On Bench In Puerto Baquerizo Moreno 2013
The sea, connected as the world ocean or simply the ocean, is the body of salty water that covers approximately 71% of the Earth's surface. The word sea is also used to denote second-order sections of the sea, such as the Mediterranean Sea, as well as certain large, entirely landlocked, saltwater lakes, such as the Caspian Sea. The sea moderates Earth's climate and has important roles in the water, carbon, and nitrogen cycles. Humans harnessing and studying the sea have been recorded since ancient times, and evidenced well into prehistory, while its modern scientific study is called oceanography. The most abundant solid dissolved in seawater is sodium chloride. The water also contains salts of magnesium, calcium, potassium, and mercury, amongst many other elements, some in minute concentrations. Salinity varies widely, being lower near the surface and the mouths of large rivers and higher in the depths of the ocean; however, the relative proportions of dissolved salts vary li ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
