Often referred to as the unicorn of the sea for most distinctive trait the creatures share- a sharp horn protruding from the top of the head- there are so many interesting facts about narwhals to learn. Even though they are very much real creatures, unlike their fantasy counterparts who live on land, much about their lives of remains a mystery. They live in the depths of the ocean in the coldest regions of the world, where only the most daring deep sea biologists brave the waters to study them. Here is some information we have gathered for kids who love marine life and want to learn more facts about narwhals.
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Everything to Learn About Narwhals
The narwhals in children's books are a far cry from the real animals that live in the depths of the ocean. Picture books paint these creatures as colorful, friendly sea creatures with a mystique similar to that of mermaids and unicorns. There is something special about fostering imaginary play by providing kids with plush toys of mystical ocean creatures. For science-minded little ones, share these facts about narwhals that will pique their curiosity and desire to learn about marine life.
(1) The dagger, or tusk, jutting out from the head of a narwhal is similar to a front canine tooth.
The tusk is made of ivory, measures up to 10 feet long, and weighs about 22 pounds. It looks like a weapon but some scientists have a theory that it serves more as a sensory organ to survey the surrounding environment.
(2) Narwhals tend to travel in groups typically between 10 to 15 animals.
Groups of narwhals, called pods, can range anywhere from two to thousands that stick together. Marine scientists have discerned that the size of the pod is tied to the season. During the coldest months, smaller groups form to navigate the sea ice that forms when temperatures drop. Once the climate warms up and the ice melts, these smaller groups band together in enormous packs that enjoy swimming through the open water together.
(3) Narwhals do not have any teeth, so they have a most interesting way of eating.
Just like dolphins, narwhals use echolocation (the reflection of sound off an object) to identify the location of food. Once they have identified their favorite fish, which include halibut, polar cod, squid, crab, and shrimp, they sometimes use their tusks to hit their prey. This tactic stuns the fish, giving narwhals time to suck them into their mouths with great force. They swallow the fish whole due to the absence of teeth. Narwhals intake greater quantities of food during the winter months, diving as deep as almost 4,000 feet to find their prey.
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(4) The approximate age of a narwhal can be determined by its color.
Babies are a blue-gray color, juveniles turn blue-black, mature adults are like a mottled gray, and senior narwhals are completely white. Even more interesting than the color schemata is the life expectancy of these sea mammals. Scientists have determined the average lifespan to be between 30 and 40 years, however, evidence points to some living to be almost 100 years of age.
(5) About every three years, female narwhals give birth to a new calf.
Narwhals mate underwater belly-to-belly, during the period of March to May, once they reach a certain age of maturity. For females, they are ready to breed when they reach 4 to 7 years while males are typically 8 to 9 years old. Pregnancy lasts about fourteen months and babies are always born in the spring. Mothers produce milk for their babies who need this nourishment for the first twenty months of their lives.
(6) There's a good reason why so little is known or understood about narwhals.
Only very rare sightings have been reported because they live far north in the most remote and coldest part of the ocean. Paul Nicklen, a National Geographic photographer who grew up in an arctic region, spent ten years before ultimately finding these mysterious whales.
(7) Adult narwhals weigh more than 2,000 pounds.
The typical weight range is anywhere from 1,800 to 3,500 pounds. Males tipping the scales toward the upper range, usually in excess of 3,000 pounds while females are at least 500 pounds lighter. When babies are born, they weigh an incredible 176 pounds. In terms of length, males measure more than 15 feet long while females are closer to 13 feet.
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