The average weight of a female harbor seal is about 200 pounds and they are about 5 feet long, while a female sea lion weighs on average 225 pounds and is 6 feet long. The common seal, or harbor seal are the ones along the western North America along the Pacific coast. The harbour seal is whitish or grayish at birth and as an adult is generally gray with black spots. The adult male may reach a length of about 6 ft (1.8 m) and a weight… A harbor seal's diet varies seasonally and regionally and often is subject to local prey availability. The harbor seal's ability to damage or remove salmon from gillnets has caused conflicts between seals and commercial fishers in Alaska. They eat primarily fish and shell fish, they have been known to eat duck also. Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. They have a rounded, spindle-shaped body. Newborn pups weigh between 17.5 and 26.5 lb. It is of little economic value and in some areas is considered a nuisance by fishermen. After an 11-month pregnancy, the female gives birth to a single pup. to 3-3/8 in. 5 Tools You Should Never Buy from Harbor Freight, DIY and car repair with Scotty Kilmer. Its nostrils are uniquely shaped as ‘V’. The effect of diet and feeding level on survival and weight gain of hand-raised harbor seal pups (Phoca vitulina). Their coats are spotted and a variety of colors, including white, gray, brown and black. Ring in the new year with a Britannica Membership. • Harbor seals communicate with each other using body postures and are the most docile and least vocal of all pinnipeds. Female elephant seals have an average weight of 900 to 1,800 pounds, and male elephant seals average approximately 3,000 to 5,000 pounds, but can weigh as much as 8,800 pounds. Harbor seals play a crucial role in the culture and diet of Alaska Natives; the annual subsistence harvest of harbor seals in Alaska is about1,800 to 2,900 animals, with fewer seals harvested in recent years. Corrections? If born prematurely, harbor seals retain a whitish fluffy lanugo coat, which is usually shed in utero before birth. vitulina), also known as the common seal, was estimated in 2008 to have a population size of about 83,200, including 27,150 in the UK and Ireland, 15,500 in the Wadden Sea, 13,000 in the Lijmfjorden and Kattegat/Skaggerak, 600 in the Baltic, 3,800 in Norway, 19,000 in Iceland and 700 in the Barents Sea. We cut out the middleman and pass the savings to you! Harbor seals don't chew their food. Most harbor seal pups shed a white wooly coat before they are born. Nonmigratory, earless seal (Phoca vitulina) found throughout the Northern Hemisphere. Two harbor seal pups born early in the seal pupping season were deemed abandoned by their mothers and needed to be rescued from the Children’s Pool in La Jolla by SeaWorld San Diego. It is distributed across the Northern Hemisphere. After an 11-month pregnancy, the female gives birth to a single pup. mellonae), also known as the Lacs des Loups Marins harbour seal, lives in a series of land-locked, inter-connected freshwater 'seal' lakes of the Ungava peninsula of northern Quebec, although it is thought that the distribution is now limited to only three lakes (DFO, 2009).The number of Ungava seals is unknown but is probably a few hundred at most (COSEWIC, 2007; DFO, … The harbour seal is whitish or grayish at birth and as an adult is generally gray with black spots. Harbor seals can be born as early as February in Baja California and as late as July in Europe. However, along the coastlines of Washington and Oregon, they are born as early as April (view map of pupping season).Pups haul out to get much-needed rest and to warm up out of the cold Pacific Northwest waters. They live anywhere from 9 to 25 years in the wild, depending on the species. Omissions? Size and Weight - Adult male harbor seals range in size from 4 to 6 feet in length and weigh 200 to 300 pounds. A young harbor seal photographed at Nantucket National Wildlife Refuge, MA. While every effort has been made to follow citation style rules, there may be some discrepancies. The adult male may attain a length and weight of about 1.8 m (6 feet) and 130 kg (290 pounds); the female is somewhat … weight difference between male and female Pacif ic . (SMRU, 2009). Spots or rings are visible on the dorsal surface (backside) and much more sparse on the underside. The Ungava seal (P.v. Birth weight and neonatal survival of harbour seal pups are positively correlated with genetic variation measured by microsatellites. It is against the law to disturb harbor seals and other marine mammals. Female elephant seals have an average weight of 900 to 1,800 pounds, and male elephant seals average approximately 3,000 to 5,000 pounds, but can weigh as much as 8,800 pounds. Bull elephant seals average about 1,360 to 2,500 kg (3,000 to 5,500 pounds), while females range in weight from 360 to 545 kg (800 to 1200 pounds). Harbour seals “haul out” on land to rest, digest food, give birth, or nurse their young. Feeding Nostrils appear distinctively V-shaped. Aug 8, 2019 - At Mystic Aquarium, guests have the opportunity to learn more about sea lions while getting up close and personal with these fun and furry creatures. Seals share a common ancestor with dogs and bears and have upper and lower arms and legs concealed within their skin. The structure of the front limbs is a lot like that of a human's arms. Compare to. They grow to be 5-6 feet in length. Hundreds of stranded harbor seals pups (Phoca vitulina) are brought to wildlife rescue centers every year.Typical hand‐rearing diets include artificial milk‐replacers and diets based on macerated fish fed via gavage, but weight gains are often low and mortality rates can be high. The average weight of an adult seal depends on the seal species; for example, Atlantic harbor seals weigh an average of 150 to 300 pounds. (170 kg). Adult harbor seals eat 5-6% of their body weight per day, about 4.5-8.2 kg (10-18 lb.). The mother nurses the pup with rich milk for three to six weeks. (8 and 12 kg), and are between 32 and 38.5 (82 and 98 cm) in length. Each Harbor Seal has a distinct pattern of spots on its body as well. How to identify The common seal can be distinguished from the grey seal by its smaller size and shorter head with a more concave forehead. Harbor seals do not form pair bonds, and one male will breed with many females. They can be up to six feet long and almost 245 pounds in weight. Other than the weight difference, males and females look alike. The common seal, or harbor seal are the ones along the western North America along the Pacific coast. Harbour seal, (Phoca vitulina), also called common seal, hair seal, or spotted seal, nonmigratory, earless seal (family Phocidae) found throughout the Northern Hemisphere. Did the Groundhog See Their Shadow — and Why Do We Care? The females are slightly larger than the males. The males and females are very comparable in size and look so it can be hard to distinguish them. They swallow their food whole or tear it into chunks. Including the head and flippers, they may reach an adult length of 1.85 meters (6.1 ft) and a weight of 55 to 168 kg (120 to 370 … Adult female harbor seals are slightly smaller, ranging in size from 4 … The first pup was born Dec. 19, according to Pam Thomas, who volunteers with the Seal … In California, harbor seal pups are born between February and April and weigh about 20 to 24 pounds at birth. Harbor seals have short, hairy, webbed front flippers with claws, whereas sea lions have long, hairless, clawless and … Our editors will review what you’ve submitted and determine whether to revise the article. The pups weigh about 30 pounds at birth, and may double their weight before they are weaned at 4-6 weeks. Feeding Habits. The coat of harbor seals has gray to silvery-white in color. Seal pups are nourished by their mothers fat-rich milk for about 4 weeks after their birth. This may not sound like much, but given the small volume of fuel tanks, removing an inch of capacity in each direction significantly reduced capacity.” Seals live throughout the world's various oceans and seas regardless of the temperature. Don't Miss These 7 Must-See Stargazing and Celestial Events in 2021. Full-term pups are born well-developed and able to swim at birth. With an average size of 5-6 feet long and weight 200-300 pounds, the Harbor Seal is the smallest of the earless seal. Harbor seals don't chew their food. Both times, more than half of the harbour seal population in the Dutch Wadden Sea died. D W Coltman , W D Bowen , and J M Wright Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada. Harbor seals eat 7-10% of their body weight daily, preying on several species of fish and squid including pollack, flounder, cod and herring. They can reach five to six feet (1.5-1.8 meters) in length. This species of seal loves the temperature waters. Most harbor seal pups have shed their lanugo before birth. They grow to be about 3.9-5.6 feet in length and … The female is 4.5-5 feet in length and weighs 110-330 pounds. Harbor seals are part of the true seal family. A harbor seal's diet varies seasonally and regionally and often is subject to local prey availability. Feeding Habits. True seals have small flippers and must move on land by flopping along on their bellies. Food Intake. Female harbor seals become sexually mature at 3-5 years and males at 5-6 years. In one breath a seal can exchange 90% of the air in its lungs. There are two similar species of seals that inhabit the Cape and Islands—gray and harbor seals. Harbor seals can usually be distinguished from elephant seals by size alone. They reach five to six feet (1.7-1.9 m) in length and weigh up to 300 pounds (140 kg). They use oxygen already in their blood and muscles while under water, and their heartbeat slows from about 100 beats per minute to 10. That keeps them warm! The average weight of an adult seal depends on the seal species; for example, Atlantic harbor seals weigh an average of 150 to 300 pounds. Bearing Race and Seal Driver Set 10 Pc. Female harbor seals, as with many species, are smaller in size, but only by a minor size and weight difference. david.coltman@ed.ac.uk The two male harbor seals at the aquarium usually weigh the most during the winter and lose some weight in … They may dive to 1,000 feet for up to 23 minutes to hunt. Add to Cart Add to My List. Adult gray seals can weigh between 550 and 850 pounds and are on the Cape year-round. The adult male may attain a length and weight of about 1.8 m (6 feet) and 130 kg (290 pounds); the female is somewhat smaller. An ear canal may be visible behind the eye. Physical Characteristics. Harbor Freight buys their top quality tools from the same factories that supply our competitors. Length and Weight. Common seals have V-shaped nostrils. Harbor Seal (Phoca vitulina)also known as the Common Seal Species Code: PHVI Description: Harbor seals are brown, tan, or gray, with V-shaped nostrils.

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