Elephant seals exhibit sexual dimorphism - a systematic difference in form between individuals of opposite sex of the same species. But researchers have recorded much deeper dive depths of 5,015 feet (1,529 m). Photo taken at Gulf of the Farallones National Marine Sanctuary (California), February 26, 2004. Annual pup production was estimated to be about 102000. The massive seal is a southern elephant seal that lives in California. Females are smaller and weigh around 7 – 800 kg. Close. Canadian Journal of Zoology 70, 370-379. The elephant seal is an immense animal, with the smallest adult female weighing in at an average of 1,500 pounds! 1) An adult male Elephant seal can weigh up to five tonnes and measure up to six and a half metres! The proboscis can grow and inflate up to 50cm long and is used to attract potential mates and adds to the effectiveness of the bull elephant seal … A pup born in January 1975 was the first known mainland birth of a northern elephant seal at Año Nuevo; 86 pups were born there in 1978. The southern elephant seal (Mirounga leonina) is one of two species of elephant seals.It is the largest member of the clade Pinnipedia and the order Carnivora, as well as the largest extant marine mammal that is not a cetacean.It gets its name from its massive size and the large proboscis of the adult male, which is used to produce very loud roars, especially during the breeding season. Photo: Twitter. share. 8 Oct, 2020 02:39 AM 3 minutes to read. Unlike other seals, males and females are about the same size. It is believed that only about one percent of all male elephant seals actually get to mate during their life. Males reach maturity at 5 years, but generally do not achieve alpha status until the age of 8, with the prime breeding years being between ages 9 and 12. 4. In northern elephant seal colonies, in which individuals breed at higher density and form larger harems with several associated males, the percentage of copulations of the HH does decrease with increasing harem size (Le Boeuf, 1974; Le Boeuf and Reiter, 1988). Physiological implications of continuous, prolonged, and deep dives of the southern elephant seal (Mirounga leonina). Casual. The average number of alleles for the northern elephant seal (3.19 alleles/locus) is the highest of the 4 closely related species except the southern elephant seal (3.65 alleles/locus); however, the sample size is 1 or 2 orders of magnitude higher in the northern elephant seal than in these other species. 33 comments. The elephant seal now occupies most of it’s original range. Posted by 3 years ago. Does the Elephant Seal Make a Good Pet. This thread is archived. Elephant seals molt each year between April and August, shedding not only their hair but also the top layer of their skin. Elephant Seal Care. (3,855.5 kilograms). An elephant seal dives deep and long to find food and avoid white sharks, a major predator. 2) The gestation period for a female Elephant seal is 9 months. The first elephant seals on Año Nuevo Island were sighted in 1955, and the first pup was born there in 1961. How much do elephant seals weigh? Pups and adults can be attacked by orca whales. Watch: Massive Elephant Seal, the Size of a Car, Enjoys a Night Out in Chilean Town. New comments cannot be … Humanoid. Cannot be tamed Size Birth: 153,500 cm 3: Mid: 767,500 cm 3: Max: 1,535,000 cm 3. Use the colored elephant seal for flash cards, crafts and other animal-themed learning activities. In 1978, 872 were born there. The smaller seal is an adult female and the much larger one with the trunk-like nose is an adult male. They have delayed implantation, which is why babies are born after 12 months even though the pregnancy itself does last for 9. Elephant seals derive their name from their great size and from the male's large proboscis, which is used in making extraordinarily loud roaring noises, especially during the mating competition. The lifespan of an elephant seal is approximately 20 to 23 years. Sexual dimorphism in size is great: The males can grow to 14 ft (4 m) and 5,000 lb (2,300 kg), while the females grow to 11 ft (3 m) and 1,400 lb (640 kg). 92% Upvoted. We've all seen the charts that attempt to show an animal's size compared to that of an average human, but it's very hard to truly comprehend an animal's size compared to a human based on those shaded figures. This lipid-rich, collagen fiber-laced blubber makes up the hypodermis and covers the whole torso. Elephant seal blubber is a several inches thick layer of fat that has numerous vessels both for blood and lymphatic fluid transportation. As the BBC broadcaster says, elephant … The numbers have recovered since. Adult males are 14 to 16 feet (4 to 5 m) in length and 4,000 to 5,000 pounds (1,400 to 2,300 kg) in weight. The females hunt in an open ocean while the male elephant seals search for food on the ocean floor. hide. (GA images) By inflating the proboscis and vocalizing into it, a large male can use this to threaten other nearby males. The counts were corrected using a model of the haul-out distribution to adjust for date of count. Elephant seal populations reached near extinction by the end of the 19 th century, but have since recovered following a ban on hunting. As the name suggests, elephant seals are huge members of the seal family that have a large trunk-like nose that somewhat resembles an elephant’s. Video / Manuel Novoa . Currently, elephant seals are protected in the U.S. by the federal Marine Mammal Protection Act, and are not of particular conservation concern. 3. Female Elephant seals have an average life expectancy of about 20 years, and can give birth starting at the age of 3 – 4. This size makes the elephant seal a very impractical pet. For more information about the elephant seal colony history, a calendar of events, updated and current news on the colony, please visit their website and support their cause at www.elephantseal.org These elephant seals reside within the Monterey Bay National Marine Sanctuary which emcompasses 276 miles of shoreline and 5,322 square miles of ocean. Males are massive, weighing up to 8,500 lbs. The largest is the southern elephant seal. Northern Elephant Seal versus Southern Elephant Seal At around half the size and weight of their southern counterparts male northern elephant seals usually grow to around 5,070 pounds (2,300 kg). Print out the file on A4 or Letter size paper. How big is an elephant seal? Archived. Little is known about caring for elephant seals in zoos. An empirical genetic assessment of the severity of the northern elephant seal population bottleneck, Current Biology, Volume 10, Issue 20, 14 October 2000, Pages 1287-1290 Mayhem as Elephant seal size of car parks up in Chilean town. A male southern elephant seal grows to about 16 feet and can weigh up to 11,000 pounds. Elephant seal harem with all babies nearly the same age. Males grow to huge sizes, and they can weigh 8,800 pounds (3,991 kg) or more. (GA image) Sneaker males hang out along the periphery of the rookery and try to mate when the harem master is asleep or busy. Elephant seal male reared up and vocalizing into inflated proboscis (left), juvenile males nearby retreat (right). Only sperm whales dive deeper and longer. The female elephant seals and the male elephant seals have different hunting routines. Steve Backshall gets close to a fight between two giant Elephant Seals. 71. Southern elephant seals can travel up to 33,800 km (21,000 miles) per year, the longest known migration for any mammal. One will become BeachMaster and one will have to return to the water. Males began to haul out on the mainland in 1965. Much more agile in their ocean environment, an elephant seal moves on land with considerable effort, by using its front flippers and belly. One is the Northern elephant seal and the other is the Southern elephant seal, the latter being larger then its northern relative. Casual. Six illuminating southern elephant seal facts. Elephant seals are large seals that live in the ocean, of which there are two species, both of which were hunted almost to extinction by the close of the 19th century. The elephant seal population of South Georgia was surveyed comprehensively during the 1985 breeding season. A female elephant seal living in the north … 2-MIN READ. In a study on size and reproductive behaviour in the southern elephant seal,Mirounga leonina, on South Georgia from 1991 to 1993, large size, measured as nose to hind flipper length, was associated with factors that confer an advantage in terms of reproductive success.Some males stayed at the centre of harems, others were on the periphery and others were outside the harem. Photos tell a much better story, but the size of objects in photos can be misleading if there isn't a familiar object in there for scale. Use the black & white printable as a coloring page. save. Southern elephant seal pups are prey for sharks, leopard seals, and sea lions. Although their sheer size is recognisable in itself, the elephant seal takes its name from their trunk-like snout, also known as the proboscis – a feature only males have. Elephant Seal Hunting Habits. News18 » News » Buzz » Watch: Massive Elephant Seal, the Size of a Car, Enjoys a Night Out in Chilean Town. The northern elephant seal is the second largest seal in the world, after the southern elephant seal. To find food, these mammals migrate and often spend months at sea, diving at great depths. The areas were reasonably similar in beach topography, wind and surf conditions, numbers of seals present per kilometre of coastline, and numbers of males and females present in harems. The largest elephant seals can be 20 feet long and can weigh up to 9,000 pounds. A male elephant seal from the north can be as large as 13 feet long and weigh 4,400 pounds. Today, the northern elephant seal population has rebounded to approximately the size it was before hunting. It’s estimated that there are 150,000 individuals, with 124,000 in California waters. King, J. E. 1966. Footage of a seal being guided back to sea by a group 60. Elephant Seal the size of an Elephant vs an Elephant. These master divers usually descend to about 1,700 feet (518 m). 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