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Elephant seals or sea elephants are very large, oceangoing earless seals in the genus Mirounga.Both species, the northern elephant seal (M. angustirostris) and the southern elephant seal (M. leonina), were hunted to the brink of extinction for lamp oil by the end of the 19th century, but their numbers have since recovered.
The northern elephant seal population was estimated to be 171,000 in 2005. [1] Beginning in the 18th century, northern elephant seals were hunted extensively, almost to extinction by the end of the 19th century, being prized for oil made from their blubber, and the population may have fallen as low as only 20-40 individuals. [1]
Southern elephant seal harem on a beach on the Kerguelen Islands. Southern elephant seal world population was estimated at 650,000 in the mid-1990s, [1] and was estimated in 2005 at between 664,000 and 740,000. [18] Studies have shown the existence of three geographic subpopulations, one in each of the three oceans.
IUCN status and estimated population Ribbon seal. H. fasciata (Zimmermann, 1783) Arctic and subarctic regions of the North Pacific Ocean (blue indicates reduced summer range) Size: 165–175 cm (65–69 in) long; 72–90 kg (159–198 lb) [31] Habitat: Neritic marine and oceanic marine [32] Diet: Fish, crustaceans, and other invertebrates [32] LC
Cal Poly researchers tag 10 seal pups to examine migration habits. Elephant seals are migratory, with the adults swimming north along the coastline as far as Alaska and out into the northern ...
The chemicals are speculated to concentrate up the food chain and weaken the Baikal seal's immune system, making them susceptible to diseases such as canine distemper and the plague, which was the cause of a serious Baikal seal epidemic that resulted in the deaths of thousands of animals in 1997 and 1999.
There’s a reason the male elephant seals lounging on the sand look a bit ratty. Skip to main content. Subscriptions; Animals. Business. Entertainment. Fitness. Food. Games. Health. Home & Garden ...
Demographic economics or population economics is the application of economic analysis to demography, the study of human populations, including size, growth, density, distribution, and vital statistics.