Facts about seals

Posted on Mar 9, 2022      615

These amazing animals, seals, only seem clumsy. Yes, on land they appear to be rather docile, but in water they are swift, strong and graceful. However, much depends on the particular species to which the seal belongs - many of them differ from each other significantly. But it is thanks to these animals in the Russian language there appeared such a colloquialism as “sealenit”, which means to lie, rest and do nothing. And what, because these marine animals really often allow themselves to relax and rest, although, of course, their life does not comprise continuous rest.

Facts about seals

  • The body weight of these mammals ranges from 40 kg to 2.5 tons, and they can reach a length of 1 to 6 meters.
  • Seals can boast a well-developed sense of smell, they can pick up odors from a distance of up to 500 meters.
  • The sleep of seals is always sensitive. They wake up several times to inspect the territory.
  • These animals can sleep both on land and in water.
  • Seals are thought to have developed from terrestrial or otter-like ancestors.

  • Seals are obese creatures, and they don’t just need the fat to stay warm: it also allows them to maintain better buoyancy.
  • When diving under water, the seal’s heart beats 10-15 times per minute, while in normal life it beats up to 120 times during the same time.
  • Seals do not chew fish, but swallow it whole. In extreme cases, they tear it into enormous pieces.
  • There are about 33 species of seals. Seals are found in most waters of the world, mainly in the Arctic and Antarctica, and in some areas of the tropics.
  • Life expectancy in seals depends on the sex. Females live longer than males, on average 35 years and males about 10 years shorter.
  • On land, the seals move on the front flippers with the back flippers, but in water, the situation changes. When submerged in water, seals use their forelimbs as a rudder and paddle only with their back flippers.
  • The sea lion, which also refers to seals, can stay underwater for up to 2 hours, reaching a depth of up to 1.5 kilometers.
  • Instead of ears, these animals have a special ear canal, which is closed by a special muscle when the animal dives into the water.

  • Seals have the ability of echolocation, even if it is not as well developed as in dolphins.
  • There are also seals, such as the monk seal, that live in the warm Mediterranean Sea. Also, several species of seals like the Baikal seal live in inland lakes of the continents.
  • The largest known mammal flock in the world is the population of northern fur seals, which lives on two islands in the subarctic zone of the Pacific Ocean and numbers about 1.5 million individuals.
  • Only male seals are aggressive towards each other during the mating season. These creatures are communicative and caring towards their congeners.
  • Longevity of seals is not over 30 years, the age is determined by the number of circles at the base of their canines.
  • Seals bear their young only once a year.
  • The whiskers, or vibrissae, help seals navigate in the water. With their help, the animals precisely guess the location of obstacles and successfully bypass them.
  • The chief danger for seals is sharks, polar bears, killer whales and humans.
  • SEALs sometimes spend more than half a year in the ocean in search of food.
  • Because of their thick subcutaneous layer of fat, seals can withstand critical water temperatures as low as -80 degrees Celsius.
  • Female and male seals are almost indistinguishable in appearance, as their genitals hide in fat folds.