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The narwhal (Monodon monoceros), is a species of toothed whale, and the only member of the genus Monodon. Its closest living relative is the beluga whale, and cases of interbreeding between the two species has been recorded. It is sexually dimorphic, as adult males are larger than females and have a long single tusk that can be up to ...
Il narvalo ( Monodon monoceros Linnaeus, 1758) è un cetaceo odontoceto estremamente caratteristico, il cui maschio presenta una zanna molto lunga attorcigliata a spirale che sporge orizzontalmente dalla mascella superiore.
Adopt a Narwhal. Often dubbed the unicorns of the sea, narwhals have long tusks protruding from their heads. Learn about narwhals, as well as the threats this species faces, what WWF is doing to protect its future, and how you can help.
9 mag 2024 · Narwhal, a small toothed whale found along coasts and in rivers throughout the Arctic. Narwhals usually attain a length of 3.5 to 5 meters (11.5 to 16.4 feet). Males possess a long straight tusk that projects forward from above the mouth. The tusk grows more than 3 meters (9.8 feet) long.
- The Editors of Encyclopaedia Britannica
Wildlife. © Paul Nicklen / National Geographic Stock / WWF-Canada. Narwhal. The narwhal is famous for the long ivory tusk which spirals counter-clockwise several feet forward from its upper lip. The tusk is actually the whale's upper left canine tooth. Male narwhals commonly have a single tusk, but they sometimes have two tusks, or none at all.
What is the narwhal? The narwhal is the unicorn of the sea, a pale-colored porpoise found in Arctic coastal waters and rivers. Narwhal tusks. These legendary animals have two teeth. In males,...
Monodontidae - Wikipedia. Contents. hide. (Top) Taxonomy. References. External links. Monodontidae. The cetacean family Monodontidae comprises two living whale species, the narwhal and the beluga whale and at least four extinct species, known from the fossil record.
